Earlier quoted context omitted.
It's massively irritating because it's the usual US blend of total ignorance and massive arrogance. I used to do re-enactment in the UK, and after almost every show I'd have some idiot wander up and say "I'm a Saxon!" and blather shite at me about what that meant about their identity and culture. If I asked if that meant they weren't American, then obviously they'd react in horror at the suggestion. The idea that my…
The weirdest part is that they stop tracing back the second they hit someone interesting, as if nothing interesting happened before that person. If their great-great-grandfather was Scottish, they then assume everyone before him was 100% super duper Scottish, and that that has conferred "cultural traits" through some weird-ass blood magic or something. But Europeans are diverse mutts as well. I'm Swedish. But my last…
Speak for yourself, because
> If their great-great-grandfather was Scottish, they then assume everyone before him was 100% super duper Scottish
That is, indeed, the correct assumption to make. I would recommend having a look at the work done on population genetics at Oxford University’s People of the British Isles project[1]. Even their homepage should relieve you of some misconceptions:
> The People of the British Isles (PoBI) project was initiated by Sir Walter Bodmer in 2004, in an effort to create the first ever detailed genetic map of a country. The United Kingdom’s history bristles with immigrations, wars and invasions, so the PoBI researchers faced a tremendous task in investigating how past events impacted the genetic makeup of modern British people.
> Results included a map (image below) showing a remarkable concordance between genetic and geographical clustering of our samples across the United Kingdom.