That word has been out from the start.
Taxes are ubiquitous.
They can pay them in the EU, in their home country or in the USA. The taxes in the USA will be a better deal for them than EU or most home countries plus there won’t be tariffs on the products they sell.
Generic FYI . . . the median income for the top 1% of the world is $32K.
That’s top 1%. Not the median income overall.
I suspect someone has overestimated the number with $5M liquid assets.