You know what the world needs most right now? What it needs is five good-looking-ish, talented-ish blokes dressed in a mélange of artfully deconstructed dove-grey suits singing one of the songs out of Les Misérables, like a boy band but one that does numbers from musicals rather than original compositions, oh, and preferably with the kind of crap name that you can imagine being brainstormed by one of the teams on The Apprentice…

Well, if that’s what you’ve been thinking these past few weeks, lucky you! You’ll surely have loved the final of Britain’s Got Talent, which gave exactly the result...