The true horrors of human history derive not from orcs and Dark Lords, but from ourselves.
But Tolkien doesn't ask the question: What was Aragorn's tax policy?
The wolf that one hears is worse than the orc that one fears.
There are older and fouler things than Orcs in the deep places of the world.
Not all Tolkien haters are Orcs, but all Orcs are Tolkien haters.
I would like you to teach [the orcs] civilised behaviour," said Ladyship coldly. He appeared to consider this. "Yes of course, I think that would be quite possible," he said. "And who would you send to teach the humans?