Earlier quoted context omitted.
Future generations are gonna look back at us for our treatment of animals, especially farmed animals, much the way we look back at our slave owning ancestors. And just like we wonder how so many otherwise morally upstanding people participated in such an obviously abhorrent system as human slavery, they will think the same about people in our generation. Unfortunately, it turns out that social norms are extremely pow…
The pendulum could swing the other way and instead animal rights activists could be looked upon with complete disdain. Just like human rights, progress is never guaranteed.
(I don't comment this to imply there's not a lot of work we have to do, or that there's not seriously fucked up things going on right now; but hope - perhaps, even, a bit of faith - is important.)