Who Trump Americans hate are certain races and genders and religions.
Oligarchy is deeply entrenched and is not likely to change. It costs a lot to run for Congress, generally in the millions of dollars. And more money for seats that are more competitive or populated. I assume the average mudcatter has less than 100 million dollars of disposable funds. So most people would have to align themselves with a billionaire or follow the Trump regime. There are a couple of exceptions for poor people who become House Congress people.