They weren't claiming that any animal that ate meat would evolve to become intelligent, simply that of our predecessessors - ONLY THOSE THAT CONSUMED MEAT evolved to have larger brains and therefore the intelligence to survive. Those that had vegetarian diets, could not evolve intelligent brains and therefore died off.
There wasn't a claim that if you get your lama to eat meat - 4 generations - or a bazzilion generations later they'd be smart. Obviously our species had the capacity to begin with, meat was one ingrediant that made it a reality.
Without it, we'd be 'dumb' like monkeys.
Apparently you family is a bunch of faggot vegans.
The fish theory deals with DHA/EPA...essential fatty acids and their prevalence in the human brain. Infant formula companies have been trying to stabilize them in infant formula, it's their "holy grail" to mimic breast milk. Their research considers it that important...it's the DHA/EPA studies that flax proponents cite when proclaiming the benefits of their product, which requires conversion in the body.
Thank God that shit never consumed me like that. I used it, but it was always use... never controlled me, just ended up controlling people in my lives..