When you say Muslim you're ignoring other important factors as well. All attackers in France were petty criminals who had prior convictions and poor human beings with a history of spousal abuse, alcoholism, etc.[1] They most likely were at the bottom of the economic strata weren't educated beyond school or had well paying jobs or opportunities.

Seems more likely to be an issue of disillusioned youth making poor choices that hurt themselves and others.

As a counterpoint to your supposed claim. Muslims do exist in large numbers in Singapore, yet they are allowed to work and are given equal opportunity and do contribute economically to the nation.

[1] - http://www.dailymail.co.uk/news/article-3691895/He-drank-alc...