Well, if you look at western terrorist organizations (e.g. Weather Underground, Red Army Faction, Baader-Meinhof) they recruited many members from wealthy Weste

Well, if you look at western terrorist organizations (e.g. Weather Underground, Red Army Faction, Baader-Meinhof) they recruited many members from wealthy Western nations, very few if any being Mualims. People everywhere (especially young people) are often susceptible to recruitment by charismatic leaders with extremist rhetoric. This is especially true when there is highly visible injustice to be exploited.