NIP-05 is not verification, it's just a way to stablish DNS aliases.
Discussion
But it can be Look at what Nostrudel does. I know right away it's fake
No. NIP-05 can't be where the identity lies.
In #nostr the identity lies in the keypair (nsec+noun), not in the DNS alias.
That being said, clients can chose different strategies to signal suspicious npubs, true. And some of them could be related with failing NIP-05 aliases? Could be.
🫂