Why the assumption that every human is worth the same as any other human? Some humans are truly human garbage. Is a mass murderer worth the same as a doctor?
These questions were argued at length since time immemorial, and we have in modern times reached some sort of conclusion, most famously defined in the UN Universal Declaration of Human Rights and the United States Declaration of Independence.
If you want to reject those documents (and more), that is your choice. But if you want to argue against them, you will have to do better than that.
If you want to reject those documents (and more), that is your choice. But if you want to argue against them, you will have to do better than that.