It isn't moral nihilism, it just seems that way to you because, as I pointed out, you're incapable of comprehending the fact that people don't live inside your head and therefore are not confined to your rigid understanding of the universe. I don't believe that nothing has value, I believe everything has value, I also believe everything dies and I have no problem participating in the circle of life due to the fact that it is a normal process of our reality. I also believe that I can't possibly know that I am right. It's actually more agnostic than anything, but thanks for your efforts anyway.
And acknowledging that there are ways to raise meat which are less destructive to the environment is really not a boon to your argument. I said nothing about it in terms of ethics. That's your imaginary universe... I live in reality. And in reality, yes, there are less destructive ways to produce ALL of our food. But I'm not talking ethics. That's your worldview, that's how you choose to apply the word "ethics." I just think in terms of what is intelligent. And if I were to look at the world the way you do, I'd say the only intelligent thing humanity can possibly do is eliminate more than half of it's own population, but you don't want to talk about that. You want to believe that the destruction it will take to continue down the technological path we are on, which you apparently are okay with ignoring despite it's obvious impact on the world, because YOU are still trying to believe that the cityscape you live in is ethical by your standards. It isn't. It's the most destructive thing we do by far.
As for what I eat... Again, you're trying to apply ethics to something I don't. Permactulture does exist in the US, and I think it's extremely narcissistic for you to be so presumptuous as to believe that it doesn't "effectively" exist. No you're right. For people like you still hoping that one day the rest of the world will help you justify your urban existence and make it ethical for you to continue on as you do, it probably doesn't effectively exist. For me.... Every time I visit my parents I can pick up permaculture raised eggs, might even grab a tenderloin from the freezer.
Good luck with your ethics, bro.