It’s more because there is no one to replace him.

Bullseye! But Kevin knew this going in. He knew they could not unseat him because they could not replace him. The question is whether they knew that. I don't see how they could not have known it, which makes the whole thing a charade.

The "shot across the bow" is just as meaningless as the motion to vacate rule. Certainly, refusing to pass bills that they know would fail in the Senate is meaningless. Indeed, everything the Freedom Caucus does is performative, because they can't do anything else. So let's stop pretending that they matter. Because they don't.