2. The games evolved so much that going back the to basics would be a huge overhaul.
3. I dont think it would be very popular, as well given the difficulty of getting stuff and there not being as many mechanics to get the items (ash etc).
It would be neat if we could incorporate this idea in some sort of 'Legacy event' which players Gems and Ut's were deactivated, and players were limited to wearing certain armors / limited relics.