I think there is a certain moral code we should abide by when it comes to harvesting animals in general. Taking a life to sustain your own is part of the natura

I think there is a certain moral code we should abide by when it comes to harvesting animals in general. Taking a life to sustain your own is part of the natural order however. Given an octopus can regrow a limb can we farm them more ethically than we do mammals? Almost all animals that don't have an economic basis in human politics are going to go extinct so we better find something meaningful to justify their protection. Of course there are some truly resilient ones like rats and roaches that seem to have actually adapted favorably but the vast majority haven't. Don't most vegans just want livestock to go extinct too?