I don't understand how people can't tell the difference between the fake smooth scroll FF has by default and a proper pixel smooth scroll you get with MOZ_USE_XINPUT2=1. The fake one scrolls line by line and smooths the transition, but still won't react to minor finger movements, there is a threshold and it feels fake as f*. Don't know why it's default on linux, but hey linux folk probably don't have high expectations anyway; they are probably fighting to keep it that way.
This is news to me! It feels good when reading a page but stops inertia working, I can't do a quick flick to jump to the top/bottom of a page with it enabled. Toggling the Firefox option for smooth scrolling doesn't help.
