It doesn't even require a war.
Meat is heavily subsidized and benefits from economies of scale. Once enough people stop eating meat on their own, more people will follow suit because it will be too expensive.
It's one of the big reasons why there's such a huge cultural resistance to veganism. Meat abstinence will make meat more expensive for the ones who keep eating it, and of course cut into the profits of the shitty companies making it.

But it's okay to say christianity is a death cult?
Also, I disagree that Jews are immune to criticism for the reasons you stated. Literally every group of people has faced persecution throughout history, including christians. That doesn't mean we can't criticize them.
Unfortunately, you're probably going to ban me just because of my previous passage, proving my point.