Modifying global scope is the whole point of a polyfill though. And polyfills check themselves whether they were already applied or not. Maybe a step to a more

Modifying global scope is the whole point of a polyfill though. And polyfills check themselves whether they were already applied or not. Maybe a step to a more sane situation would be reducing redundancies between polyfill libraries to ensure they don't step on each other's toes.