> I don't trust the people organizing tech worker "solidarity" to actually protect everyone's free expression. History suggests that the solidarity effort is instead about further enforcing ideological rigidity.

It also doesn't particularly help when some of its prominent advocates are on the record stating that some intersections of gender and racial minorities are less important than others.

Can you explain who and what you mean by this?

Having been a member of a union, I've seen unions protect unpopular people, including sexual harassers. I have mixed feelings about this. I do think the harassers deserve to go through a fair process ultimately though.

Also see for example how "progressive" police unions are.