It reads like that kind of AI marketing which focuses on how "scary" a new model supposedly is.
Bill Gates' fear is clearly that everybody thinks this stuff is just kind of mediocre because then the real horror story unfolds - Microsoft stock price collapses into blue chip territory where it firmly belongs.
He calls for a tax on tokens.
Yeah, he called for a tax on "job eliminating" robots too.
Neither are in the slightest bit practical to implement and he knows it. He's just grandstanding while talking his book.
Actually his real worry is the lack of any kind of oversight and regulation - that the inmates are allowed to police themselves.