AU9913 on Nostr: This still requires a strong attacker. They have to limit the pool of users ...

This still requires a strong attacker. They have to limit the pool of users dramatically. This study is more helpful to nyms than harmful. Someone could make a "nym mode" on their client (or even a keyboard) which accounts for some of these things. Also, with your own agent, you could have a proxy npub that rewrites notes. Or another agent writing notes to confuse these algos. This is a good thing