Automations and automod not working on all posts - mobile web, app and desktop

I have been increasingly running into posts that completely ignore automations and automod rules that I have set up for my subreddit.

At first I thought that it was a problem of automations not working for posts from some platforms so I copied the most important rules over to automod, but it has not resolved the problem. Basic rules are being ignored by automations and automod, and posts are getting through that should absolutely not end up in the subreddit but should end up in the moderation queue.

It has become increasingly disruptive and increasingly frustrating. I never used to have this problem but lately it seems something is completely ignoring all filters that have been placed upon posts in the subreddit. Most of the rule-breaking posts are correctly directed to the moderation queue, but some are not.