All I really care about is advancing a conservative agenda. That will not happen if Republicans are kow-towing to a liberal senator constantly. He is not worth it. The money the RNC has spent trying to save him would have been better spent helping another vulnerable Republican, or better yet, picking off a vulnerable Dem seat (such as Maryland or even New Jersey).
As for the term "RINO", I have no problem using it for characters such as Chaffee, but I cringe when it's used for people like Lindsay Graham (who has a liftime ACU rating 91) and others like him.
If you care about advancing the conservative agenda, then you can't say "kick out the ones who aren't conservative enough for me".. because ones that are the kinds of conservatives you want won't win enough elections to ever have power.
If you want to advance the agenda, you have to have control, and 25-35 senators will NEVER give you an opportunity to advance anything conservative.