Oh dear. Made the mistake to respond to a toot from @Birgitta #Band it appears that the nutters have already been here for some time.
There seem to be some instances that are worth an early inclusion on the list.

If you run a small instance, you can find a good list of that you might want to moderate here https://mastodon.social/about (if they call themselves "Fediverse for shitpoasters" they gave you a fair warning) #BlockEarlyBlockOften #SuspendEarlySuspendOften