Saving money in a savings account is like putting money in a pocket with holes. Banks only give you interests that are lower than the inflation rate. Its how they make money. You are better off investing in ventures (Crypto currency) that give a return higher than the inflation rate.
You can earn a lot of money from the bank through savings but only if you start from a lot of money in the first place. Whereas in crypto you don't need to have that big of an investment, however, it's volatile market and there is more risk involved but that's not important. most important point of crypto is no middle man and you have complete control over your assets.
Well, how many people actually have that lot of money to throw around, moreover, I still see any interest given if you save in a bank as B.S since it is so minute and if I have such huge amount of money, I would rather be better off investing into some business that would bring me huge returns. Bank savings have never been that worth it, based on how they have made life and transactions terrible over the years, with so many hold on how you can even make transactions and some government policies that can make you want to throw up. The main difference between cryptocurrency and banking sector is the FREEDOM and the fact that we are not supposed to be slaves to the bank in the first place.