This is actually a wider problem than just scroll-zoom. Using JS to hook scrolling to anything is a UX nightmare. The problem is that on my desktop I can discre

This is actually a wider problem than just scroll-zoom. Using JS to hook scrolling to anything is a UX nightmare. The problem is that on my desktop I can discretely scroll one step at a time with my mouse but on a laptop using a trackpad a scroll ends up firing dozens of events. This discrepancy basically bars scrolling from having any use on the web besides, well, scrolling.