Probably the people in the UK who wrote this article are not familiar with all of the American states.
How many of us could look at a map of England and identify Devon or Cornwall or Lincolnshire?
Not me, for sure.
It would require some serious, in-depth research with maps with cities/counties etc.
I was born in Lancashire County...but sometime within the last seventy years they decided to make the area where I was born Cheshire County...my birth certificate says Lancashire County...hell I can’t keep up with the UK names anyway.