I think that the bank is more important that the authorities , because they can rule fiat banking . In fact bitcoin bank should not , but people still need to get to the bank fiat after getting converted from a bitcoin. So now , the bank does not disappear , because bitcoin. In the future.
indirectly, bitcoin relies on bank because the value of bitcoin is taking from fiat currency and controlled by bank it. bitcoin never make a bank disappear from here because they need a bank.
True but the bank does not control bitcoin, the price of bitcoin is only affected by the currency so it is not entirely controlled. Bitcoin could make disappear the bank was very unlikely to happen because the banks are very strong.