Back in college I did a paper on if this was ethical or not for my bioethics class, I warn people to really take a step back from the positive possibilities with something like this and understand that these are wild animals being trained to become slaves to benefit our human failings and appetites. I would definitely draw a line between this kind of domestication and the domestication of animals by our ancestors for…
I think your moral sentiments are misplaced. While it would be nice if people didn't litter, training animals to do something beneficial for us is not immoral as such, and especially not if no cruelty is involved. It certainly isn't slavery as slavery presumes rights, something animals do not have. To have an argument, you'd have to show that any negative effects of training surpass the positive. Even if it led to a…
Try setting fire to a horse and see the legal results. Try making a species go extinct, even pests. So, there are some rights - and arguments for even stronger rights.