I don't have a problem with big pullers, but there's still a point where the big pull goes over the top needlessly; I think we would have been fine had the DRK not pulled the gunships... I threw everything I had at the DRK; all CDs, benison, you name it and he was just so damn squishy that there was so way I was going to keep 'em up. They eased off a little after their death and still did large pulls but nothing quite so excessive. It was their first time in the dungeon so ionno if they were just testing limits or what, but still...
I'm not new to healing, I know how to maximize my arsenal, but sometimes you can't out-heal a ridiculous pull :/ and this is where my issue lies - tanks and DPS that think saying 'spam harder' will magically make me able to ignore GCD lockouts and whatnot because they decided they wanted to pull more than they, or the pt could handle.
tl;dr - Big pull = OK, excessive pull = y u like this