He’s giving the Senate to the Dems, yet again.
You phrasing it as he is “rolling over” positions it as losing or acquiescing or submitting.
This is viewing the situation as if there are two side (R vs D) and he is on the R side.
This couldn’t be further from the truth there are many sides.
He is primarily concerned with protecting himself and his globalist cronies.
This tactical move of trying to lose 2 Ultra MAGA candidates, is a very good way to achieve those ends.