When 4e came out, it was aimed at bringing the MMORPG crowd into the tabletop roleplaying game. Hence the strictly defined powers and defined roles of each class.
These days, the younger generation seems to enjoy open-world survival games like ARK, and minecraft.
For this reason, Pathfinder 2 should fully support rigourous tracking of food, water, rest, shelter and other essential needs.
Removal of the Ring of Sustenance would undermine the whole purpose of this.
