nostr:nprofile1qqsyvrp9u6p0mfur9dfdru3d853tx9mdjuhkphxuxgfwmryja7zsvhqppemhxue69uhkummn9ekx7mp0qythwumn8ghj7anfw3hhytnwdaehgu339e3k7mf0qyghwumn8ghj7mn0wd68ytnhd9hx2tch2deau the autoblocking feature in #amethyst seems a bit glitchy. I think you mentioned this only happens for duplicated content but it also seems to happen plenty for npubs that are clearly not spammers but just post offensive things. What's going on in those situations?

Anyway I've seen a bunch of cases where the client doesn't realize someone is (auto)blocked while rendering the feed and shows them anyways. If I actually want to block them I have to go to the profile, see the status suddenly change to blocked, unblock and then reblock them so that it sticks. 

 Yep, unless you follow them, its going to block them again as quickly as the app sees the spam again. You can disable the spam filter on the security settings. You can also see which messages are deemed spam at the relay list screen, by clicking on one of the relays.

The app requires 5+ absolutely equal messages with over 50 chars (so GMs are good) to call an npub spammer. Usually that happens on public chats and some replies.