[KellyCriterion]

> aren't just keeping people's money in vaults. They literally take your checking, savings, retirement accounts, etc. and make money off of them while they "sit". <

depending on jurisdiction and TOS, this maybe legal, but it needs to be announced somehow to the customer; a capital management firm of an ETF needs to buy the included shares, e.g; those have no money "sitting around"?

[bmitc]

Sure, it's announced and by contract. But where else do you have to put your accounts?