"While an interesting approach, I'm not sure I agree that the ability to suffer is enough of a definition of humanity to use in isolation" The statement was no

"While an interesting approach, I'm not sure I agree that the ability to suffer is enough of a definition of humanity to use in isolation" The statement was not about defining humanity. Why is it relevant if something is human or not? Would it be OK to torture non-human life that's clearly in possession of cautiousness just because it's not human?