It's the ones from deep red districts vs the ones who need to work to get re-elected. Looks like the crazies are willing to throw their own people under the bus. Republicans have zero long term strategy.
You’d think that, but since the 80s they’ve managed to do an enormous amount of damage and drag the country to the brink of ruin just by being obstructionist and crazy. Seems like a strategy, and a fairly effective one.