They are rich because everyone works for them and buys the crap they sell.

Ban advertising and credit cards.

Put all of civilization's overhead into sales tax or VAT.

Pay the collected tax back as UBI, good health, environment-based education and work.

Stop selling aristocracy-based belief systems(religion).

What are people actually doing? Fairness doesn't matter if you're just going to redistribute the Economy of Stupid consumptionism.