Eh... Maybe they want what they say they want?
Of course they might also want the booming economy (as in the record high stock market, the relatively low unemployment, and GDP) to continue as well.
Also you might consider that they're kind of..... not like the rest of us.... If next year they can only add 4 Lamborghinis to their collection instead of 5, they'll be fine.
Also some rich people, Mark Cuban for one, might not be fooled by don the con, no matter how many times he says "believe me". They might know trump is a douchebag who is bad for America. Considering how many people around trump seem to eventually sour on him it will be interesting to see what happens with him and Elon.