have you ever worked on a farm libby? i see your point and i agree wholeheartedly but you are being overly cynical. In nature, these very same things happen, on a different level yes but not all humans treat their life stock like pieces of shit; many give them the most dignity possible and love them. If my ultimate end is to serve as some other beings sustenance, then i am okay with that, that is my purpose, my goal, the reason for my existence. I can accept that.
besides that, what about plant rights? i don't see how in any way possible you can deny a plant its rights while still allowing an animal its rights and even then a human its rights as well. We are all creatures of this planet, all come from the same thing and are all equal. We all work together in a system that keeps everything going, progressing, evolving. Sentient being or not, that doesn't make a difference. If you feel more empathy towards a cow than a cannabis plant then there's something wrong with that argument, both are equal, both have importance in life, both have roles, as do humans, our path is not so clear but when/if we find out what that path is, i can bet it's no different than a pig, cow, plant or any other living or non living things in this universe.
when it comes down to it we are all the same thing, we are matter and energy evolving, whatever happens is the result of energy and matter evolving, and we cannot control the path it takes, it's based on something transcendental.
Agreed however I believe the spiritual innocence is lost when instead of tilling the soil and reaping the benefits of our labour or taking care of the animals for months or years and then eating them we just work for a telemarketing company and then walk into a store and buy the flesh or secretions of a creature we have no connection to.