+1 for a trackpoint. i ctrl+f'd trackpoint on this page, because it was the first thought i had when i saw the RPi 400
Other than a few outliers, the trackpoint format is dead to 95% of the market.
I really don't care how many other people like it. Other than to a few outliers personal computing is dead to 95% of the market. That doesn't mean it's not a good idea.