The actual founder of Bitcoin cannot touch their money without causing a lot of panic in the market. I believe Coinbase's 2021 S-1 prospectus explicitly listed "the identification of Satoshi Nakamoto... or the transfer of Satoshi’s Bitcoins" as a business risk factor.
I would expect Satoshi to make a lot of money on later wallets that are not identified as theirs.
Not sure why the NSA would pay for a Japanese water system.
To keep up the façade.
Then they should have funded some building preservation programmes instead.