Re: That's criminal
Nothing has a right to exist. But there is opportunity to continue existence.
Animals much like humans win each day of existence by finding ways avoid death until they don't and so becomes material for the next round of life.
Much more kin to a game of roulette then something in your pocket.
They're considered property so as to bring them into human jurisdiction and responsibility to care for.
Otherwise they're default to independent agents that must survive or fail by their own gambles.
This relationship predates human morality and maintains independent of it because it's grounded in something more real.
Physicality itself.