I would seriously doubt whether you would find many wealthy daytraders. The reason? Secrecy. There are a lot of them out there, but finding them is difficult.
If you were pulling a few million a year off the markets, would you be shouting about it and making yourself the target of weirdos with risk to yourself and your family? Nah. You'd be keeping your head down, your name out of the bright lights, and enjoying life with your homes around the world, your boats and your planes.
I know three. And all three guard their privacy ferociously.