If you think like that, you have to think about many aspects that underlie the possibility of the bank will disappear, if you live in a country that has experienced government revolution, the analogy is bitcoin has great potential to replace economic civilization with a new system. Half the earth population has the mind to manage finances freely, and half prefer to believe in civilization today.
The dangerous thing about this government revolution and anarchy is the fact that there is no regulation and there are bigger chances of disorder and chaos. This is not what we really happened. Government are there to maintain the orderliness but if the people behind it are corrupt and do nothing, then that is the start of the problem.