If I put ideological limits on what to buy, I'd be in a store with little selection. You have to put up with all types in life and shop around freely, including with a head coach.
I think the best NBA coach is Utah's Quin Snyder, even though he contributes to Republican campaigns. I freely admit that their are geniuses with whom I strongly disagree. So I would jump at hiring Snyder. If Kidd is the best available, then grow up and hire him. I don't know whether he is, but that should be the only consideration. Lillard thinks he is.