In fact, we were speaking about the very same hypocrisy you protest against. Please read it back.

The Normans killed the Saxons and the who killed the Picts in return for killing the Celts.

Well, neither of those were genocides (nowhere near what was done to Native Americans), as today's English people's DNA shows. But even if true, the modern Western sense of 'civilisation' is of something after the Dark Ages, thus yes time is a factor.

_{*Lunatic*, n.
One whose delusions are out of fashion.}