Not at all, peperthecat. I lived in london for 15 years and loved most of it, though found getting around and general quality of life harder when kids came along. Try getting a three-year old with a pushchair from Peckham to Gloucester Road: bus, overground, two tube trains, and endless sets of steps and escalators.
However you posted at 14.47:
I think this is the thing though. You could be in a deprived town in South Wales where the standard of living is poor, or a deprived neighbourhood in London where the standard of living is poor. The difference is that in South Wales, all the towns for miles around might be like that and you'd have to go as far as Cardiff for decent jobs and amenities, whereas in London your particular area might be rough as fuck, but you are still just a tube ride away from nicer parts of the city where there are more jobs and amenities than you can shake a stick at.
-which is palpable bollocks, as I've demonstrated above using facts and information, because even if you live in a ropey bit of zone 3 or 4, your journeys are likely to be longer and shitter than a journey from somewhere in the lower valleys to cardiff bay, or the national Museum of Wales, or the Brecon Beacons, or the Gower, or lots of the fantastic things that SE Wales has to offer.
I'm not trying to say london life is shit - bits of it are fantastic - but your running down of other parts of the country based on zero knowledge - are pretty undignified.
There are a few posters on here who seem determined to promote london life, and let's be honest, london property, and a number of them have a declared professional interest in the london property market. It's all a bit disingenuous.