Bkmk
A good number of them are out-and-out liars.
Some of them even shill for Democrats and the Current Media Narrative [whatever it is that particular day].
For far too long, the GOP has been dragged down by members of its own party in Congress who couldn't be counted on for the big votes. Yes, they'd be good for voting with their colleagues most of the time but would too easily side with the Democrats when Republican voters needed them the most.