Okay, this is odd.
I noticed this morning that a blog post I wrote *last* week which got a tremendous amount of traction had closed comments. I didn't disable them so I went to the blog post and tried to check "allow comments" and "allow pingbacks." The checkboxes were active, but when I went to Update Post, they disappeared. I was back to sqaure one with closed comments.
I have no idea what happened, but I don't have anything in my error_logs. I don't automatically close posts after a certain time. My earlier posts (from 2+ weeks ago) are still intact. It is just this post with 141 comments that automatically closed the comments and I have simply no idea why.
I had to manually go into the database and set "closed" to open, but I want to prevent this from recurring (perhaps it's going to happen again). First of all, why did it happen? It sounds pretty malicious to me, and as the universal admin user, shouldn't I be able to override this? Again, there are no universal settings and I don't have plugins that interfere with comment closure.
I'm baffled and I'm pretty tech savvy to know that this is super abnormal.