I don't think they give a shiite as long as they can keep their cushy jobs as "principled" opposition, get invited to all the right parties, and keep their campaign donations flowing from the Swamp.
Explains it all in a nutshell.
I think all congress critters should have to wear uniforms like the style NASCAR drivers wear with all their sponsors showing.
I suspect more than a few senators couldn’t stand due to the weight of the many, many patches.