At some point after various collapse events, a finished steer will cost more and more. Eventually it will surpass 1 BTC. It will be a strange mish-mash of opposing forces, but I'd bet a six-pack of beer we will have enough of both kinds of culture to see that intersect. Now, at that point, in a Matrix-like scene with the steak, which will your guest choose? The meal that pulverized our topsoil, along with all of the other negative externalities, or some nice tofu? My guess, if we our honest, and there are no other strings, would be, "holy shit, I'll take the steak". But, seriously... fry up some tofu in slices, and throw it on some rice with veggies... no big deal.