I joined during campaign and was something like number twenty thousand...up to six hundred thousand now. I check in now and again.
I just checked and I see there was only a discussion of whether the subreddit should be deleted because it was allegedly infiltrated by Russian trolls:
https://www.theverge.com/2018/9/24/17896586/reddit-the-donald-russia-troll-farm-ira-influence-operation
My mistake.