Some context: A boy band (or boyband) is loosely defined as a vocal group consisting of young male singers, usually in their teenage years or in their twenties at the time of formation, singing love songs marketed towards young women. Being vocal groups, most boy band members do not play musical instruments, either in recording sessions or on stage, making the term something of a misnomer. However, exceptions do exist. Many boy bands dance as well as sing, usually giving highly choreographed performances.
Other antecedents (apart from those already mentioned) exist throughout the history of pop music. The genre has been copied into languages and cultures other than the Anglo-American. The Puerto Rican boy band Menudo, appealing to young Latina audiences, was founded in 1977. Menudo had a convention unique among boy bands: when a member turned 16, became too tall, or their voice changed, they were replaced. The members of Menudo were generally aged 12-16.  The Bay City Rollers were a Scottish pop band who were most popular in the mid-1970s. The British Hit Singles & Albums noted that they were "tartan teen sensations from Edinburgh", and were "the first of many acts heralded as the 'Biggest Group since The Beatles' and one of the most screamed-at teeny-bopper acts of the 1970s". For a fairly brief but fervent period (nicknamed "Rollermania"), they were worldwide teen idols. The group were one of the first bands, like The Monkees before them, to take the formula shown by The Beatles and apply it to a teen market. The group achieved the same amount of success but for a limited period of time. At the peak of their popularity in the UK, comparisons were being made to The Beatles. Also by this time, Bay City Roller fans had a completely distinctive style of dress, the main elements of which were ankle-length tartan trousers and tartan scarves, the group using the benefit of merchandise and promotion.  In the US, the Cleveland-based power pop group Raspberries was generally interpreted as a "teen act", although all the band members played their own music. Vocalist Eric Carmen later commented, "It was not hip for people to like us, because their little sister liked us."  Boston group New Edition was formed in 1978 and reached their height of popularity in the 1980s, meaning they are often credited for starting the boy-band trend, even though the term "boy band" did not exist until the 1990s. Maurice Starr was influenced by New Edition and popularized it with his protege New Kids on the Block, the first commercially successful modern boy band, who formed in 1984 and found international success in 1988. Starr's idea was to take the traditional template from the R&B genre (in this case his teenage band New Edition) and apply it to a pop genre.  Bros (abbreviation of the word "brothers") were a British boy band active in the late 1980s and early 1990s, consisting of twin brothers Matt and Luke Goss along with Craig Logan. Formed in 1986, they scored multiple top 10 hits between 1987 and 1989 and in 1988 became the first modern era-style boy band to have a multiple platinum-selling album in Britain, with Push, still one of the most successful boy-band albums in the UK. Other big boy bands in Britain during the late 1980s were Big Fun and Brother Beyond.
What made them so sucessfully
A: The group were one of the first bands, like The Monkees before them, to take the formula shown by The Beatles and apply it to a teen market.
Some context: Sam Benjamin Harris (born April 9, 1967) is an American author, philosopher, neuroscientist, blogger, and podcast host. He is a critic of religion and proponent of the liberty to criticize religion. He is concerned with matters that touch on spirituality, morality, neuroscience, free will, and terrorism. He is described as one of the "Four Horsemen of atheism", with Richard Dawkins, Christopher Hitchens and Daniel Dennett.
Harris considers Islam to be "especially belligerent and inimical to the norms of civil discourse," relative to other world religions. He asserts that the "dogmatic commitment to using violence to defend one's faith, both from within and without" to varying degrees, is a central Islamic doctrine that is found in few other religions to the same degree, and that "this difference has consequences in the real world."  In 2006, after the Jyllands-Posten Muhammad cartoons controversy, Harris wrote, "The idea that Islam is a 'peaceful religion hijacked by extremists' is a dangerous fantasy--and it is now a particularly dangerous fantasy for Muslims to indulge. It is not at all clear how we should proceed in our dialogue with the Muslim world, but deluding ourselves with euphemisms is not the answer. It now appears to be a truism in foreign policy circles that real reform in the Muslim world cannot be imposed from the outside. But it is important to recognize why this is so--it is so because the Muslim world is utterly deranged by its religious tribalism. In confronting the religious literalism and ignorance of the Muslim world, we must appreciate how terrifyingly isolated Muslims have become in intellectual terms." He states that his criticism of the religion is aimed not at Muslims as people, but at the doctrine of Islam.  Harris wrote a response to controversy over his criticism of Islam, which also aired on a debate hosted by The Huffington Post on whether critics of Islam are unfairly labeled as bigots:  Is it really true that the sins for which I hold Islam accountable are "committed at least to an equal extent by many other groups, especially [my] own"? ... The freedom to poke fun at Mormonism is guaranteed [not by the First Amendment but] by the fact that Mormons do not dispatch assassins to silence their critics or summon murderous hordes in response to satire. ... Can any reader of this page imagine the staging of a similar play [to The Book of Mormon] about Islam in the United States, or anywhere else, in the year 2013? ... At this moment in history, there is only one religion that systematically stifles free expression with credible threats of violence. The truth is, we have already lost our First Amendment rights with respect to Islam--and because they brand any observation of this fact a symptom of Islamophobia, Muslim apologists like Greenwald are largely to blame.  Harris has criticized common usage of the term "Islamophobia". "My criticism of Islam is a criticism of beliefs and their consequences," he wrote following a controversial clash with Ben Affleck in October 2014 on the show Real Time with Bill Maher, "but my fellow liberals reflexively view it as an expression of intolerance toward people." During an email exchange with Glenn Greenwald, a critic of the New Atheists, Harris argued that "Islamophobia is a term of propaganda designed to protect Islam from the forces of secularism by conflating all criticism of it with racism and xenophobia. And it is doing its job, because people like you have been taken in by it."
does he think muslims are dangerous?
A:
the Muslim world is utterly deranged by its religious tribalism.