It would be great if there was a way to customize hotkeys. Here's how I see it: * Have a about:hotkeys panel, with all actions listed, and already mapped shortcuts shown. * Whether these should be modifiable or not is up to the dev community, ideally they'd be. * When clicking on a hotkey field, ...
A difficult one to develop a good U.I. for.
This is a computing universal problem, like dark mode is/was
Since this is not possible yet any UI would be better than none. You could iterate upon that.