Quote Originally Posted by tsuchii View Post
Blacklist doesn't even work on duty-matchmaking. That is correct. You can still match with persons you blacklisted.

Blacklist only works on chats anyway so just turn off your chat for the duration of the duty (right click chat then 'hide') or just exit (type U then leave)
It would be nice to not have to turn off all chat or turn off all sound in the case of sound effect macro spam. It seems like using a sledgehammer for a small problem.