Why is Mr Beast so popular?

Maybe I'm just out of touch, but the guy has literally zero personality and seemingly no discernible talents. Yet he is the most successful YouTube/content creator out there...

Again I ask, why exactly?

Also, I'm well aware of his philanthropic endeavors, but they seem terribly self centered as surely all that money he is donating is just coming to him through corporate sponsorship deals which in turn are inflating his own personal wealth at the same time.