They’re gonna have to try a lot harder, all the current airdrop spam doesn’t make it through a basic Web of Trust spam filter. I have some ideas planned to improve it further but it just hasn’t been necessary yet
#[0] also has a good post to solve it:
nostr:note1gd82m230kyggkpclaw63zw7vg2kujwycaz4lamnh8j5dw0mw5y3s8kwwge