In personality tests, conservatives generally score higher on disgust scales than do liberals.
I think anyone who does a “dirty” job, one that would make most people say ugh, as in healthcare, plumbing, animal husbandry, mortuary services, waste management, law enforcement, grows a strong stomach, at least in that field.
I doubt it makes them less conservative.
In my hospitals ER the other some ahole the cops bought in almost picked the whole damn stretcher up.
Took a bunch of people to put that boy down.