I'm not even sure that's true with some of these folks. They might claim conservative principles are paramount, but I'm beginning to suspect what motivates them is actually a burning need to feel superior. I suspect they'd pick any issue and stance - as long as they can claim they're the "most pure" and therefore better than anyone else.
Arguing is a losing battle...no persuading people with a mindset like that.
"I'm pure, so what that this administration is destroying everything we say we stand for."