The UK does in fact have regular swings of devolution of power to regions and cities. See: the Scotland referendum, which resulted in more powers being given to the regional assembly despite the independence campaign losing. The flow of power over time has been slowly away from central government, or at least, people have been offered that choice.

The MPs are the ppl claiming to know best so you should trust them

Hmmm. But I also claim I know best. Now who do you pick?