Please speak up and, more importantly, please vote for old-school liberals instead of progressives.
The real solution is just awareness. As people see more examples of this sort of thing going wrong they will be more careful about it.
Anyone who thinks this is all purely organic hasn't been paying much attention.
The problem I have with that, is that for some problems you can't just fix it with incremental reform, you have to rip the bandaid off, and if you reject any reforms that aren't small incremental fixes to what we have, you end up fixing the small problems and leaving the big structural problems. Opinions will reasonably differ on how to deal with the problems facing society, but Obama's approach seems to me to be a little bit like vacuuming your living room while the house is on fire.
On the other hand, you have someone like Bernie Sanders, who isn't at all shy about advocating for significant structural reforms (similar in scope to the New Deal) and is about as progressive as anyone can be in American politics, yet at the same time he doesn't put any stock in identity politics either. I haven't listened to as much from AOC, but I get the impression she's the same way. In fact, I don't know of any major political leader who fits the mold of the "social justice warrior" or "political-correctness police" stereotype. I haven't run into very many of those people in my day-to-day life either, but my impression is that they're largely people without any great deal of power except maybe on University campuses.
Tl;dr: don't be afraid to vote for progressives in general with the aim of thwarting identity politics. A lot of prominent progressives aren't really fans of it either.
Lost that thread somewhat post FDR with the expansion of the executive "rule making" bullshit though.