I don't live in London, and fwiw I think the capital illustrates well the failure of multiculturalism in the UK - increasing ghettoisation and insularity of immigrant communities, to the point where some live for decades in the UK without learning English. Is this desirable? I would argue it's a recipe for disaster, and in HN style, here's some directly relevant evidence: https://en.m.wikipedia.org/wiki/Rotherham_child_sexual_explo...
I'm quite happy living in the country - little chance of getting enriched by a truck of peace out here, fingers crossed.