You can get all the nutrients you need, easily, from a vegan diet, with the exception of B12 (a cheap supplement will cover that).
Also, human ‘canines’ are pretty pathetic. They’ll do the job in getting meat off bones, sure, but are nothing compared with my dog’s teeth – he has proper canines. (He also doesn’t have to prepare and cook meat before tucking in. Humans are actually pretty lame meat eaters even in comparison to other omnivores like dogs, let alone carnivores like lions.)
Also, human ‘canines’ are pretty pathetic. They’ll do the job in getting meat off bones, sure, but are nothing compared with my dog’s teeth – he has proper canines. (He also doesn’t have to prepare and cook meat before tucking in. Humans are actually pretty lame meat eaters even in comparison to other omnivores like dogs, let alone carnivores like lions.)