It is worth noting that 'too big to fail' is not simply about size. A big institution is 'too big' when there is an expectation that government will do whatever it takes to rescue that institution from failure, thus bestowing an effective risk premium subsidy. Reforms to end 'too big to fail' must address the causes of this expectation.
With customers' permission, fintech firms have increasingly turned to data aggregators to 'screen scrape' information from financial accounts. In such cases, data aggregators collect and store online banking logins and passwords provided by the bank's customers and use them to log directly into the customer's banking account.