We and others here could argue over theory all day long. But I think the original question was in more real life, practical terms. And there shouldn't be any question about that.
I was thinking in real life practical terms.
If someone wrote..ok...mafia members come from a certain demographic (socio economic, religion, American region)and their voting patterns would tend to mirror other members of that demographic, I could buy buy that.
Other than that....every post is just another person's opinion.