The reason is obviously that engagement drives his revenue, and correctness or facts have nothing to do with it. Everyone knows that content creators will maximise engagement, and clearly he has found an audience who are seeking out a certain narrative, and will write to that narrative to generate revenue.
I haven't fact checked anything here, I took the $7 million at face value. If he is generating that amount of money from his content creation, then I think my statement makes sense, right?
I don't wacth/read his content at all because I find AI-doomers really boring and tiresome.