Rich people are asking to be taxed for the publicity. Many countries, including the United States, have established methods for "donating" to the government. Of course if you want to do good with your money there are a bajillion other organizations you can give to that are significantly more efficient that DC.
Davos Leaders Receive Open Letter From 250 Rich People Asking To Be Taxed More https://reason.com/2024/01/18/tax-us-daddy/