Rock the boat? Did he do any less work because he's leaving next month? Does that change the performance the voters are seeing him master when they are in the house? Nope. I cannot imagine a voter thinking, "Well, I WAS going to vote for LMM, but he's leaving the show, so I'll voter for someone else."
If we're not having fun, then why are we doing it?
These are DISCUSSION boards, not mutual admiration boards. Discussion only occurs when we are willing to hear what others are thinking, regardless of whether it is alignment to our own thoughts.