no, because there will always be those scared average joe, that will rely on the bank, no matter what new tech you have, you need plenty of new generation to remove those people
it's the same as right now there are still people that refuse to use credit card or new services...
although bitcoin become famous even in the future bitcoin will not be able to shift fiat as the main currency. and for fiat still prevail then the bank will continue to live for shoring fiat