That's less than Roman Abramovich paid for one Chelsea player. There's probably been more than £10m of donations to the Tory party alone from oligarchs. Try again with a more realistic figure.
https://www.theguardian.com/politics/2020/sep/21/tory-donors...
Look, you can bring up minuscule footnotes in Appendix F of what matters to the UK economy as much as you like. Yes these things suck. No they are not even remotely consequential to why a taxi driver in London, or Londoners in general earn what they do or how a modern economy functions.
The more time you spend obsessing over incidental edge cases, because they are things you can get enraged about and get a good adrenalin buzz over, the longer you will be mind blastingly uninformed about how the word really works.
A hundred billion here, a hundred billion there, after a while the money laundering starts to add up: https://www.opendemocracy.net/en/odr/uk-losing-fight-money-l...
The UK economy offers a unique mix of commercial fairness and predictability, achieved by a comparatively incorruptible commercial court system, with disinterest in where the money actually comes from provided it isn't UK crime.
Whereas in China, for good and ill, billionaires are not above the state and can get clobbered when they become politically inconvenient. Such as Jack Ma.
(A question nobody is asking in this thread: what's the relative price of a taxi in, say, Lowestoft? What does that say about the regime there?)