@chjara@mk.absturztau.be Only would be if people were spread equally and moved constantly. While people travel now more than ever, you still have clusters of people with similar traits.
Plus it's quite likely people are gonna travel less soon because of increased prices of plane tickets due efforts to combat climate change.
"B-But the Moors! There were trade routes!"
Back in the day even travelling between two neighbouring towns was a long and risky endeavour.