Voters vote for what affects them, not what offends them.
That explains a lot.
When the Leader of Germany warns the US about the path their leader is going down, a student of history should take notice.
tRump will come and go, but the party will be left dealing with a historical record that now lacks any shred of Character.

Let us ask ourselves, 'What kind of people do we think we are?' And let us answer, 'Free people, worthy of freedom and determined not only to remain so but to help others gain their freedom as well.'

Ronald Reagan