Newsom and Miller have a discussion on Twitter.

[Hekate]

31. Many tribes, many incursions, many conquests, and like the modern English language itself...

…somehow the DNA might reflect all that, and probably does, at some level. The English language is capacious.

The Celts were indeed pushed to the edges of Wales, Cornwall, Brittany — and the Celts of Scotland and Ireland stayed where they were and resisted further invasions for centuries.

But “purity” ? No such thing, and as I’ve indicated elsewhere, I come from a very pale line of people and have spent my entire life among diverse communities and count it as enrichment.