Pre-food preservation, grain storage, etc they probably put on as much weight as possible in summer and fall and then lost it in winter though. Not hibernation, but gaining a lot of weight in the fall would be advantageous.
That's kind of moving the bar isn't it? It does not follow that a pattern of some humans and hominids in some environments possibly bulking up seasonally means that oil from seeds is unhealthy. There are so may leaps of logic here that it's meaningless.
