There is an obvious point to make, which is that case for a wealth tax on such extraordinary levels of wealth is overwhelming, to be paid by all those with British citizenship wherever resident.
Billionaires have £680 billion or so. British household wealth is £15 trillion or so. So, rich people having 4.5% of what makes people rich is justification for taxing people living in foreign, is it?
Why isn’t he paying Irish income tax?