Also, hunter-gatherers may get a lot more calories gathering than hunting. Women often gather more food than male hunters, collecting things like tubers, fruits

Also, hunter-gatherers may get a lot more calories gathering than hunting. Women often gather more food than male hunters, collecting things like tubers, fruits, honey, etc. IIRC, Homo erectus evolved to eat a lot more carbs than homo habilis. It's only if you pick specific points in human evolution that you can say we didn't eat carbs.