Undomesticated precursors of grain crops are literally no better than foraging. The domestication of grain crops is probably a necessary precondition to our typ

Undomesticated precursors of grain crops are literally no better than foraging. The domestication of grain crops is probably a necessary precondition to our type of civilization. And, more importantly, we don't see hominid densities — especially with widespread, state-level populations — until the post grain domestication events. That doesn't mean large scale hominid concentrations couldn't exist without domesticated grains (there's at least a few grainfree riverine cities), but they are exceptional.