This long, but clever, assessment of the FT’s luxury drooling magazine How to Spend It (https://www.theguardian.com/news/2018/jul/19/how-to-spend-it-the-shopping-list-for-the-1-percent) includes the interesting details that not only has the British sense of luxury shifted from the origins of the magazine back in the `60’s but most of the FT’s sales are now overseas.
A significant reason is because most wealth is now literally over the seas, legally protected by various islands. Luxury fashion — and couture, especially — is paid for by these legal protections. I argue that tax havens are not obviously immoral: http://www.libertylawsite.org/2017/06/30/in-trusts-we-trust/