This is an absolutely terrible idea. It absolutely destroys the entire point of gearing up in the first place.
You get new gear to use to make doing things easier, that's the entire point of an RPG. If you want that challenge back, well great, there's low level gear you can equip - don't ruin it for everyone else, most of us like that our new gear gives us visible increases.

OP and supporters are obviously either very lazy or very bad and want everyone else to suffer for it.