Under the category of Conspicuous Consumption.
This was in poor taste, and not at all diplomatic. His son will only gain more people envious of him and eager for his fall from privilege.
This is an upper class Japanese version of a Rap Video, where the cornrowed rapper rolls around in a bed covered with stacks and stacks of $100.Dollar Bills.
Correction: I should have described it as a Chinese version
of a Rap Video, not Japanese.