theres only like 6.5B usd worth of monero (compared to ~1Trilion BTC) At 20Milion barrels of oil (/ dolars if its $1 a barrel) a day, theyd own all the monero within a year, meaning theyd have told pretty actively be selling it back onto the market for another currency to keep a supply for shippers to use. Compared to BTC where they'd need 136 years of hoarding to accumulate it all