I picture it being like
You picture it wrong. They are unrepresentative. I am Scottish. I am also British, Orcadian, European, Western and various other groupings. The one "British" is good enough for most purposes when doing business or travelling. Scottish identifies what part of the UK and Orcadian could be my ethnicity within that. The modern trend is towards linking states, not breaking them up into non-functional bits.
Because it wouldn't work. Yes they are a long way from the control centres of an over-centralised nation. Just like Scotland. They have their own capital, state plant, legislature just like Scotland. It's a long list. It doesn't matter. Some things are best done locally - probably a lot more than actually gets done this way but some other things are better done as part of a larger system.
Nationalism is the past. History is interesting and must be known but we don't want to go and live in it. That's why our ancestors left...