meow21 on Nostr: not an expert of nostr but I think this might be because Amethyst doesnt support ...

not an expert of nostr but I think this might be because Amethyst doesnt support nutzaps

see list of NIPs in readme
https://github.com/vitorpamplona/amethyst

NIP-61/nutzaps
https://github.com/nostr-protocol/nips/blob/master/61.md