The majority of all people who ever lived were in subsistence agriculture, which needed constant labour to produce the food you needed to eat in order to keep yourself and your family alive.

Yes, the majority of people who ever lived, but for most of the time we’ve existed we didn’t need to do much labor at all. The reason it’s the most people who ever lived is because the agricultural revolution trapped us into having to grow more food to feed a growing population that could grow more food to feed a growing population that could grow more food.