Comment by jsheard

This kind of thing should probably be disabled if the user has prefers-reduced-motion set.

https://developer.mozilla.org/en-US/docs/Web/CSS/@media/pref...

It just needs one extra CSS rule to make the guy invisible when appropriate:

  @media (prefers-reduced-motion) {
    #scrollBuddy {
      visibility: hidden;
    }
  }