Two-axis scrolling isn't unique to macOS. The way that scrolling has traditionally been implemented on Linux (as mouse buttons 4 and 5) makes it difficult to implement any kind of continuous scrolling, but once you have one axis working, a second one isn't much harder.
The velocity and bounce effects on scrolling are implemented at the application layer. They don't depend on any unique features of the trackpad hardware or driver stack.
Zoom and swipe gestures are nice to have, but I don't think they're critical in the same kind of way that pointing and acceleration are.
Force Touch is more of a gimmick than anything. It's a relatively recent feature, and was only added to the Macbook Air in 2018; very few applications do anything interesting with it. Personally, I leave it turned off.
