I’m going to shit your pants.

I think it’s a comm where some guy posts whatever they’re interested in at the moment. Kind of like c/Gondaily

Imo, not your community, not your problem. The second they do it in your community, then deal with it as you see fit. You’re only responsible for moderating your community.

It may be worth looking into ADHD. It kinda sounds like you’re describing executive dysfunction. In addition, a symptom of ADHD is not being motivated to work towards long term goals. Worth conferring with your doctor at the very least.