I will bite, my take is that responsibility, accountability and empathy are all things lacking in society that encourages and rewards selfishness and betterment of self above all else. It really is a shock when you mention these things to people that then associate what you are saying with “their” food. You are attacking the very sense of self, ego and identity which leads to defensive reactions that are not based on logic let alone empathy. The only way to change this is to address the systemic reliance on self promotion and preservation, but this means equality and communities at all levels to not discriminate amongst people within them and support them with basic needs, including quality education that supports critical thinking and comprehension. With this, people will be more receptive and it will be less about advocating on behalf of those species that can’t or fighting against long held traditions and more that they will find this to be a reasonable thing that they conclude themselves because they no longer have to fight for their place or status in society.