Re your question as to whether the Moslem students have any idea the tolerance and freedom the West affords them.
This is perhaps one of the most important questions to ask about Islam and its supporters. Even if the West “teaches” Moslem students about “tolerance”, their religion, as taught by extremist/fundamentalist cleric, teaches them to ignore this “western” concept for the Islamic precepts of violence and intolerance against the “infidels”.
In the end, Europe will always have a very hostile and potentially large jihadist contingent, often right in French schools and mosques.
What is to be done? That is the million lives question.
I have no printable answers.
They need to be returned to the lands of their forefathers — there is no other viable solution other than blood spilled, and no-one wants that.