How else does one track “richest” anything? On paper is what matters when counting wealth. That said, the gap between capability and actuality of spending that

How else does one track “richest” anything? On paper is what matters when counting wealth. That said, the gap between capability and actuality of spending that your parent comment is lamenting is the gap for that on-paper wealth not being used for real-world-improving actions, and instead being used to increase the on-paper wealth of a tiny minority of wealth-holders.