Tens of thousands of dollars can be shovelled into low-probability high-risk outcomes nightly at a single Vegas table, of which there are many, at a single casino, of which there are many. The state lottery jackpot can swell by tens of millions of dollars in a single day when the potential payout reaches nine digits.

This is just high-stakes gambling, it's not a systemic bubble until pension funds, university endowments or state sovereign funds get significant exposure.