Speaking of which, does Firefox offer the ability to turn this off in about:settings ? Or will that break the event detection ?
Alternatively, a browser extension could potentially provide a helpful solution.
I suspect the implementation may vary on a case-by-case basis. The example [1] on the page utilizes the luxy.js [2] library.
For this specific page [1], I found that I can disable the smooth scrolling behavior by running the following command in the developer tools console:
luxy.init({ wrapperSpeed: 1.0});