Knowledge and science have not really given us what we really wanted from them. Internally man is still hungry. Internally man still feels an alien and dispossessed.
So, any Hindu who would have ever understood the Vedas cannot have a relationship like that with a cow or goat or buffalo or anything or anybody in the universe.
Beef and Dairy industry are closely connected because the beef is coming from the same cow that used to give milk before and now it's of no use so now it is going to be cut by meat industry.