They feel disenfranchised!
It never occurred to me until my son, on returning back to the London area from university a few years ago said to me "you know your problem mum, you're London centric"
"Heavens, maybe I am" thought I, such a concept never really occurred to me. I grew up in the suburbs close to London, worked there, lived there, took it all for granted. It's where the immigrant relatives in my family settled, because they saw it as a place of opportunity. Both my parents were raised in London. I can imagine, depending on one's geographical location, London is seen as a decision making hub that doesn't represent the regions.