A lot of young boys are in a weaker mental state, growing up and hormones do that.
Religion can be misused to radicalize, it is important to recognize that and not see it as an attack on how you practice religion.
At this point i just feel sorry for the teacher.
If Macron said what you said, I don't think anyone would have any problems with Macron. But Macron spewed some nonsense about the religion he doesn't understand and reforming the religion he doesn't follow. Also you can use ethnicity, nationalism, even economic theory like Capitalism and communism to get the same effect as misrepresenting religion.
Just a guy who doesn't want to be bored. Also