You might find folk arent listening to chat or watching it as they most likely have Zone chat disabled due to Gold Spammers and idiotic conversations that happen in it.
I know Ive turned it off myself however I always make sure its turned on before entering any kind of Fleet Battle.
I wasted 5 hours on the CE the other day kiting, torpedoing the CE and watching chat in frustration as folk just did not have a damned clue. best we got her down to was 28 percent then some idiots decide to lay minefields and blast shards and whoop up she goes to flipping 80 again.
This should be a Group Instance with the leader being able to /boot idiots out of it entirely.