Antifa and others like them always show up at any protest. They are organized to do so...they know where protests are long before they are publicly announced.
Here...take a 3 part lesson....
https://indomitus.us/antifa-know-your-enemy-part-three/
French and Euro politics is messier than that. There are more sides than that.
Macron does not represent the canaille of the left, or the Muslims. He is a corporatist, a creature of the government-corporate alliance that has run France and Europe for decades.