We elect actors and politicians on the basis of likeability, so we get old actors and spoiled rich kids. This one has severe mental health issues, and is surrounded by syncophants with extreme antisocial agendas. So, chaos.

Since well before reagan, the figurehead is used as cover by the rest. So they contribute to the pillaging and don't care about the craziness because they're dumb enough to think there won't be consequences.