

For more context, this is in part the result of a 2021 settlement with the state of Washington over them doing the opposite: https://www.npr.org/2021/09/27/1040968238/greyhound-warrantless-searches-lawsuit-settlement
The settlement only forces this behavior in Washington though, so good on Greyhound for deciding that it is the right policy everywhere.
Those “richest people” lists are based on publicly known wealth, which is almost exclusively public stocks. There is a lot of dark money out there.