Meat eating is part of human history on this planet, as evidenced by our evolution to be omnivorous.
This eating meat and associated hunting are ingrained in the culture of lots of people around the world. Sophisticated major cuisines have evolved around the globe, centered on preparing meat, poultry and fish. In some countries, cuisines have evolved so much so that they are viewed on par with religion.
There are folks who convert to being vegetarians or vegans, based on different concerns of ethics, morality, environmental and health reasons around the world. Anecdotally, I have seen many in their youth switch to a vegetarian/vegan diet, only to go back to become non vegetarian. Likewise I have also seen many who grew up with vegetarian diet and switched, go back to being vegetarians again. I have also seen many who have converted either way and stayed with their choices.
Benjamin Franklin, (who is thought to be a vegetarian) describes his conversion to vegetarianism in Chapter 1 of his Autobiography, but then he describes why he (usually) ceased vegetarianism in his later life: "...in my first voyage from Boston...our people set about catching cod, and hauled up a great many. Hitherto I had stuck to my resolution of not eating animal food... But I had formerly been a great lover of fish, and, when this came hot out of the frying-pan, it smelt admirably well. I balanc'd some time between principle and inclination, till I recollected that, when the fish were opened, I saw smaller fish taken out of their stomachs; then thought I, 'If you eat one another, I don't see why we mayn't eat you.' So I din'd upon cod very heartily, and continued to eat with other people, returning only now and then occasionally to a vegetable diet. So convenient a thing it is to be a reasonable creature, since it enables one to find or make a reason for everything one has a mind to do."
Reference:
Ethics of eating meat - Wikipedia, the free encyclopedia
This shows, how hard it is to change the diet one is raised on. Majority of people in this world are not capable of doing it.
I do not think that humans will give up meat eating that easily. So, in my opinion, what is important is to make the process of meat, poultry and fish production as humane as possible. While the roots of vegetarianism is rooted in the ahimsa principle, to me the issue is not religious. Even the avatar of ahimsa, Buddha himself, did not ban meat eating. There are also religions that prohibit one from being a pure vegetarian.
So, like hunting, the farming and harvesting of meat etc., should be done in a way that gives dignity to the animal and does no harm to the environment.
Given that the humans are atop the food chain and the vast majority of the people are non vegetarians, 'konna pavam thinna pocchu' holds.
Regards,
KRS