The rights view holds that using an animal for human purposes is inherently wrong, regardless of how painless the process is. You cannot humanely violate a right.
"You are polishing the chains. A 'humane slaughterhouse' is an oxymoron. By celebrating 'free-range' labels, you validate the property status of animals. You make oppressors feel virtuous. You are the enemy of the revolution." The rights view holds that using an animal
“The question is not, Can they reason? nor, Can they talk? but, Can they suffer?” — Jeremy Bentham (Founder of Utilitarianism, and perhaps the grandfather of both camps). Can they reason? nor