> That said, it strikes me that the actual limiting factor is fab capacity not nvidia's designs and we probably need to lift the monopolies preventing competition there if we want to reduce prices.

Lol it's not "monopolies" limiting fab capacity. Existing fab companies can barely manage to stand-up a new fab in different cities. Fabs are impossibly complex and beyond risky to fund.

It's the kind of thing you'd put government money to making but it's so risky government really don't want to spend billions and fail so they give existing companies billions so if they fail it's not the governments fault.