So i can't really say anything too much since a lot of what i know comes from the notebook dlc (the removed part of the script)
So suckerpunch is trying to defeat the clog and it's implied that he wants you to do it and when you do defeat the clog he sounds like he didn't want you to do it? "you have no idea what you've just unleashed." (it's probably the delivery of the line and also the removal of a part of the script)