It isn’t such a simple question and I don’t remember all of Scaramucci’s points, which is why I gave the reference. Also, given how long OP’s post was, I figure they probably do want the longer explanation in the podcast. But since you ask (even though you claim its not important to you), here’s what I recall:

1. Many people, especially uneducated people, can’t tell the difference between entertainment and politics. To them, Trump is entertaining, so that’s who they like. When Trump says crazy shit, as detailed by OP, it isn’t a negative. They love it because it is entertaining.
2. Many voters don’t understand economics and the business cycle. They assume that the current state of the economy/inflation/affordability is the direct result of whatever the current president is doing. So, if affordability is bad right now, it is Biden/Harris’s fault. If affordability was better when Trump was president, they want him back. I think The Mooch called it “economic nostalgia”.
3. Racism and misogyny plays a role.
4. There is a large segment of the population, not just in the US but around the world, that believes in the “strong man” style of leadership. A big, loud and proud alpha male type who never surrenders is comforting to many people. This is lizard-brain stuff that goes way back to caveman days.
5. Straight white males have been either ignored or actively disparaged by many on the left. Things like DEI may be justifiable on a group level, but proponents sometimes forget that people are not just members of a group, they are individuals. As individuals, they may not feel the privilege that they supposedly have. So, as much as a straight white male may support the goals of DEI or “wokeness” or whatever you want to call it, they don’t want to be discriminated against as individuals, anymore than women or minorities do. This is why support for Trump is much higher among white men than women and minorities.

That’s all I can remember right now.