Honestly, if it wasn't for the fact that setting up a build environment in Windows is a god awful experience (As opposed to *nix where I can just "apt install <whatever>lib-dev", I'd fork Firefox and make a build that strips out access to scrolling in JavaScript.
Dear Web Devs
Every web browser already does smooth scrolling out of the box. Your JavaScript implementations of it rarely work and only create frustration to users. Even they they DO work, it creates an unexpected behavior, which is frustrating.