A reminder that in France union membership is a lower percentage of the working population than the UK or even the US. On their own, "the unions" can't do all that much.
I believe French union numbership numbers have ebbed and flowed between 7% and 10% since the 90s, mostly concentrated in public education.
Great legacy you're building there, Manu.
Something has bothered me for a while now: are you binational? Your depth of knowledge of French politics tells your immersion, yet your English displays none of the usual clunky French shibboleths.