Actually it's a big deal, if your local bank allowed to do mass look-ups like that you would be receiving phisihing attempts that pretend to be that facility fo

Actually it's a big deal, if your local bank allowed to do mass look-ups like that you would be receiving phisihing attempts that pretend to be that facility for the rest of your life. And right now, an email is part of your security auth since it's email * password. When email is known as a 'good user' that reduces that multiplication to just password.