Some local chapters are good, some aren’t. My local chapter is pretty based and would never dream of supporting any dem candidate, even local ones. Others aren’t. I think it’s definitely worth at least investigating.
And IMO DSA is getting better, not worse. Marxist Unity is making a lot of headway.
The highest Israeli court just declared that ultra-orthodox men have to serve in the military, so that should make internal tensions boil over a bit more.