No, Lemmy allows someone you've blocked to reply to you, and everyone else can see it.
Also, if it was just local, it wouldn't be as big of a problem, then the ui can inform people that they can't reply and they can then figure out what to do. The problem is that federated users can create comments that they dont realize will never show up.
ⓘ This user is suspected of being a cat. Please report any suspicious behavior.
