Number 2 in the evaluation standard is, imo, what doomed MC.
"Animals that cannot resist their instincts and disrupt order are the only ones who do not receive human rights."
His way of thinking disrupts the order, so he is screwed. It's still pretty vague, but, in a sense, you can understand the agenda. If you are an annoyance to society, you are not human. If you are lustful, but only go for human "pets", no problem there. If you go for a human, though, you stop being human. Depending on how picky they are, almost anything can be seen as a threat to order.