If GOP senators and congressmen can't tell the differences between bad morals and bad behavior (and they may not) they are in the wrong offices. We should have understood their failings when their were unwilling or incapable of correcting his campaign lies. There are plenty of targets; he's a chronic liar
We citizens understand and accept that there are differences in habits, in behaviors between people or neighborhoods or cities, and even states. This doesn't require vast differences in ethics. Indeed, it's difficult to imagine how a country that claims to be a Christian nation can behave so scandalously and as pagan.
Plus
It's obvious that Trump wants to be the king of America. When he was in school, among the lessons he failed to learn was the difference between emperors, kings, princes, and Presidents. He doesn't understand the differences between ruling and governing. Sad.