My eyes!
Firstly, the strobe effect nearly gave me a seizure, and I'm not even epileptic. Having an epilepsy warning would be strongly suggested.
Secondly, by nature humans are omnivorous by nature. To deny this fact is to deny our history.
Thirdly, I don't think that this video in anyway helps a vegan cause. While I do support my local ASPCA, I do not support PETA. To want to actively enforce an ideology on the entire population of humanity is encouragement of tyranny and totalitarianism, things which I, and many others, cannot stand.