" The most healthy people on the planet athletically throughout history have been vegan the most obese and disease ridden ate animal products.. it doesn't take a genius or any study to determine the correlation there."
Fact-free generalizations.
Look up "The French Paradox" and so on.
Your "common sense" ignores one simple factor:
People who can afford to eat large quantities of meat generally eat large quantities of food, period.
It is not the meat that is the problem, it is the quantity of rich foods that are eaten.
Once again - anyone on a diet of donuts is looking for trouble.
Someone eating 4 Oz of salmon with a salad - not looking for trouble.
Without data, I cant see any correlation in your assertion, beyond the correlation that militant vegans tend to assume that meat is toxic.
Turns out the "Mediterranean diet", the secret wasnt low-fat. It was that many Italians were poor when the study was done, and so they were not overeating. Coincidentally, they were eating low-fat diets (cheap).
If you want to make Foie Gras (fatty goose liver) or you want to make richly marbled beef - you do not feed the animals hamburger meat - you feed them grain.
Wonderful vegan whole grain.