It includes but is by no means limited to the pompous pronounciations of what people thought sixty years ago, but includes everything since. Jim might be a 1954 reenactment society but that's no reason to take him seriously.

That may not be moral superiority, but it's certainly "striking airs of superiority". As I think you'd see if you read it back.

"Most working people in the UK" don't relate to any single thing (certainly not to The Imagined Village). The only music that's worth a damn is the music that inspires you, however many other people get it.