The paper addresses that, the tl;dr is that there is no evidence for hunting from this time period and that scavenging wouldn't have provided enough meat to mak

The paper addresses that, the tl;dr is that there is no evidence for hunting from this time period and that scavenging wouldn't have provided enough meat to make a substantial difference. It's of course entirely possible that both fermented foods and a meat diet were pivotal, just at very different time periods and in different contexts.