This isn't true, his base of support is motivated by any number of factors and many of them are financially well off.
Plenty of his political supporters would be happier if he behaved more like the usual politicians but will put up with his shenanigans as long as they get what they want from him.
Plenty of his political supporters would be happier if he behaved more like the usual politicians but will put up with his shenanigans as long as they get what they want from him.