PS: I have no opinion on the law in question, I didn’t read enough about it, but we shouldn’t take into account if the fascists like what someone else do.

For me if the fascists like what someone else does, its a huge alarm bell ringing by default.

Here is a relevant article:
French Parliament adopts Macron’s immigration bill

Marine Le Pen’s endorsement of the text, calling it an ‘ideological victory,’ set off a crisis within the governing coalition.

Dozens of NGOs slammed what they described as potentially the “most regressive” immigration law in decades. It is “the most regressive bill of the past 40 years for the rights and living conditions of foreigners, including those who have long been in France,” around 50 groups including the French Human Rights League said in a joint statement. “With this text directly inspired by RN pamphlets against immigration, we are facing a shift in the history of the republic and its fundamental values,” French Communist Party leader Fabien Roussel said.