This is my opinion.Banks won't make you rich.saving in bank can never do that,because of interest rate that bank gives you is too tiny.You saving will be simply be eaten up by the sleepy monster called inflation. As a example I will take ,When I'm in grade school,each day I received 10Rs (my country currency) from my mother.It was enough to by me 2 meals,but in now 10Rs enough to buy 2 candies.

Banks are just for keep your money safe!

Its an axiom,if it was true everyoned keep their money in the banks.As you mentioned that bank gives tiny interest rates,also there are too many countries where you need to pay them for keeping your funds safely,for example as i remember correctly in Switerland,I dont know exactly which bank.. So i just want to say that why do people need to be in financial relationships with intermediaries? When there is already exists bitcoin...