The ACLU has had a bit of a paradigm shift recently, from "defend any speech" to "defend any speech we do not think is abhorrent". That's not necessarily a bad change, or a good change, depending on where you stand. I am just wanting to point out that the ACLU isn't necessarily "remaining", more "reinventing" these days.
Here is a fresh Glenn Greenwald writeup on it (which is just one opinion, of course):
https://greenwald.substack.com/p/the-ongoing-death-of-free-s...