I think they are still supporting him because of their egos, they don't want to accept that they were wrong on voting for Trump, they thought he really knows how the presidency work though he was an outsider, but day by day Trump's incompetence is unraveling.
Interesting point of view.
The "Unraveling of incompetence" would be the emergence of competence.
Yes, that is what we are seeing. (Although I don't think that's what you meant to say!)