once a streamer, podcaster, or one of these online personalities makes it big they often move to like LA or NYC. Why is that?

That’s not a streamer thing, that’s an almost everyone thing. Tons of people move to cities as soon as they can afford it, tons of those who don’t stay where they are in no small part because it’s less expensive.

People need to pay attention to what he does, not what he says.

…He’s a pundit. What he does is pick opinions and put them in front of his audience. He seems to have much better opinions than most Americans and is pretty good at spreading them. That’s useful.