They already are. Increased speed and efficiency are solid reasons. The Mac Pro was absolutely enormous in comparison to the new Mac Studio, which absolutely blows it away in terms of performance, while being a lot cheaper. Strix Halo is a great example of similar benefits on the PC front.

The vast majority of PCs aren’t sold to hobbyists. Gamers mostly benefit from the existence of other markets that they can sell these chips too. If those go, these chips get taken off the market.