It's a mix. For well-off people that party makes sense. And of course there's still quite a few people who buy into the whole "the market will fix it" stuff.
The people voting for them firmly believing to totally become one of their rich clients soon™ (after whatever rediculous investment idea they heard on TikTok makes them rich...) weren't known for their working brain cells before, so why do you expect them to smarten up suddenly?