How is being poly reducing unecessary harm? Is it immune to creating new types of harm? If so how and why? How is it at all equivalent to millions of animals dying every day strictly for carnal pleasure?
Monogamy and carnism are part of none white cultures. They arent exclusive to white supremacy.
It's not a better way to live. It's just a different way to live. You are allowed to do things that are outside of societal norms without pretending it makes you better than everyone else.