Well, either they did or they didn't. The confusion comes when we try to apply modern outlooks to people from a different civilization, and end up saying "well,

Well, either they did or they didn't. The confusion comes when we try to apply modern outlooks to people from a different civilization, and end up saying "well, I'd never do that, so neither would they," and we end up ignoring evidence that doesn't fit our preconception of the world.