I’ve been seeing a lot of stuff on issues removing their Reddit and sudden returns of everything after deleting.
People need to understand a couple things:
Basic reddit delete only covers the last 1000 posts and no more
You need to use a script that makes access of Reddit’s api and pushift. There are few different ones on git but I’ll plug Reddit-purger because they have the sense to write out what everyone needs to do after that.
Anything you put on the internet is there forever, in a backup or an archive. You may delete it only for Reddit to put it back up. Anything you've submitted to Reddit, likely belongs to them anyway, because that's how TOS work.