It's really annoying how much he pronounces on sociology/anthropology while knowing nothing about it... I'm not an anthropology major, but even I know that there is usually a difference in social structure between farmers and foragers - where goods can be stored, raided or hoarded creates the possibility for inequality.

This guy, Varna man, lived in a settled society, one of the oldest we know that produced gold ornaments. Of course he had more gold than the rest of that world ... It still hadn't caught on; even the Egyptians apparently weren't even using it much at this point.