Where? Alaska in an old bus? Even there, humans benefit to a small degree from law enforcement that strongly discourages the next hunter from shooting them and taking their possessions.

There are some survivalists who may or may not be able to operate for a while on this basis, but even if they aren’t “joining” a tribe, they are protected by tribes. get rid of all the tribes, and new ones would spring up and we’d be back to this.

Excluding hermits, living anywhere is living within a tribe.

The largest tribe is currently that which accepts a commonly defined currency in exchange for providing value of some sort.