But what it really incentivizes is putting all your money in a too-big-to-fail bank. That's much easier and just as safe as opening a dozen, or hundreds of accounts. And it results in there being 3 banks in the whole country.
There is, in truth, only one “bank” in this country. The Federal Reserve Banks that hold the master ledger for the official US Dollar market. Everything else downstream is basically redundant legacy infrastructure from a time before pervasive broadband network infrastructure.
