Yes, well, but is it the money you're concerned about? If so, you should just as concerned when twenty million people spending $6 each on silly things as when one person spends $120m. Or are you concerned more with aberrant behaviour — "people shouldn't be as extravagant as that guy"?
I saw we first take the small step and prevent people from having $120 million to spend on a wedding. Perhaps that step will suffice. Maybe not. One can analyze the situation as needed to see or adjustments in either direction need to be made.