A loss of tax-payers does not necessarily mean a proportionate loss of tax revenue, as I explained in a piece so old that Per Mertesacker was playing for Arsenal: stumblingandmumbling.typepad.com/stumbling_an... Heck, if the press will repeat old rubbish, I'll repeat old rebuttals.
To be fair, with London’s reputation for money laundering, the majority of these “millionaires” were probably ex Soviet oligarchs and gangsters of dubious origin…