Are you nuts? WOW, what kind of conservative wouldn't want to watch their own party piddle away our rights and freedoms by playing the bi-partisan/PC game? /sarc
Of course, a second answer to your question would be...
So they can continue to be the sniveling, graveling, spineless cowards they are.
They are cowardly lions because of demographics and also because of a lack of personal spine. They are the Casper the Friendly Ghost Republicans looing for someone to say something nice about them.