The UI isn't worse though, it's literally the same. It's just an additional option you have to be able to touch the screen. I routinely forget that my Framework 13 Pro even has a touch screen. I don't really care that it does because that functionality of the computer cost a single digit amount of dollars to include in the design.

I'll list out two immediate benefits with zero UI changes that macOS touch screen users will get:

iOS developers will be able to touch their apps in the simulator.

Pinch/zoom/centering photos will be highly intuitive for basically everyone because basically everyone has family photos and a photo library.