@dnkrupinski@hannover.town @alterelefant@mastodontech.de @dansup@mastodon.social it might be possible to at least purge the local copy, and prevent it from getting federated along with every other reply from the source.

Sure, anyone subscribed to the blocked person will still see the response and probably distribute it along, but it might be nice to have a way to block it at the top level.