On Veganism: Vedas and milk

The following is an excerpt from a samvaad (dialogue) session with Acharya Prashant.

Question: Acharya Ji, there are people who quote the Vedas and say “A Hindu is a good Hindu only if he drinks milk from the mother cow.” What is your take on that?

Acharya Prashant (AP): See if you have named the Vedas, what is the central teaching of all the Vedic literature?