I don't know much about French history and their role in Northern Africa. It has a lot to do with the aftermath of WWII.
Maybe it is the judgement of God for all I know.
https://www.youtube.com/watch?v=8ERmOpZrKtw - Barbara Lerner Spectre
There are other groups promoting it surely. I think some may be experiencing unintended consequences. They have reached critical mass imo and too late to reverse the results, sadly.
Algeria was a long-time colony of France during the war for its independence saw lots of pro-French move to France.
FUN FACT:
Sure, there were Algerians in Paris in the 1970’s, but when they rioted the police had the common sense to murder at least 70 of them and throw the bodies in the river.