Why is that?
Why? Because he is sleazy. He was unfaithful to his wife. He hurt his sons. He lied. There is no high road for us. We cannot claim to be morally superior...though we never were. But there were some in our party who tried to claim we were. I am sure it would have taken little effort to find someone decent to run for this office.
Though I should say I have never looked to politicians for moral guidance. Ever. For good reason.