I was one of those who left. I let my adminship elapse after 10 years.
I also don't contribute much to SO, or to any SE properties, despite being on the early public beta. (remember the signup as a google spreadhseet). I'm ID 479 on SO.
Yep. And the deletionists where more often the "majority" culture and male, which resulted in a feedback loop for the nonminority and female. New minority turn up, have a bad experience and leaves. I think it was studied let me see if I can find the paper. I know the results were replicated with comment bots.