Proof:
https://www.bankofamerica.com/deposits/bank-account-interest...
https://www.chase.com/personal/savings/interest-savings/inte...
https://www.wellsfargo.com/savings-cds/rates/
https://www.navyfederal.org/checking-savings/savings/savings...
https://www.citi.com/banking/current-interest-rates/savings-...
Discover (high interest) even does a comparison on their site comparing their interest rates to other major banks
https://www.discover.com/online-banking/savings-account/
So the average person who goes to the Wells Fargo down the street and says "give me a savings account" is getting minuscule interest.