On the tendency of PSL and WWP, and on WWP specifically:
https://struggle-sessions.com/2019/02/28/marcyism-is-crypto-fascism/
People who want an org to support should follow Tribune of the People (http://tribuneofthepeople.news) and join any orgs they speak well of that are in their locality, or just help set up a Tribune support committee where they are.
I won't be checking replies any time soon, so if you have questions, contact Struggle Sessions (the articles) or Tribune (for the organizing recommendation)
Just stopping by to bolster your point with this article on the history of the DSA: https://struggle-sessions.com/2020/04/20/dsa-are-capitalist-pigs/