Good debate on this subject between Getbig favorite Layne Norton and the ironically named carnivore diet advocate Paul Saladino.
Mark Bell's Power Project - Power Project EP. 186 - Layne Norton vs Paul Saladino | Listen via Stitcher for Podcasts
https://www.stitcher.com/podcast/mark-bells-power-projectThe latters’ arguments against plants is that they have anti-nutrients which are toxic, but the hole in that argument is that the amounts are too small to do any damage.
Looking at it from a strictly biological standpoint, it’s hard to buy that humans made it through the ages by only eating animals, many of which are faster and stronger than us.
Humans’ being omnivores is much more realistic.