Please forgive me for being blunt, you are thrashing about to find
something that does not exist. You do not know the literature and wild
shots here and there are useless.

It can not be sustained that meat did not play a role in human
evolution. The evidence for the clear start use of meat in the diet
occurs at the same time as humans start to show evidence of having
culturally based primary behavior. It also goes with their movement
into multiple niches and not the specialized niches other primates
occupy.