For his sake, I hope the adage “ignorance is bliss” applies. Honestly, I don’t think he is evil... just arrogant and stupid and hell.
I wish I believed he was just a big dope, but I doubt that.
There is no way you can get to where he is and stay there, without having some serious political skills and in has case, I believe he is a dirt bag. The dopey uncle joe gag is just a cover.