Saving money in the bank and saving money in crypto have different purposes. Saving money in the bank is done so that the money we have is safe, while saving money in crypto is used as an investment. the comparison of the two is clearly not the same. you should compare an investment with an investment, investment in gold with bitcoin investment for example.
Many cryptocurrency coins are more valuable than the Fiat making is very easy to make money even without working in the bank. The cryptocurrency market is never stable like the current market that has few volatility when compared with the cryptocurrency market.
The crypto market has ways of compensating investors that invest in a project. One can stake, farm, and mine cryptocurrency whereby making good profits not like Fiat that only the bank and the government could make certain amount of money by tasking citizens for transaction fee and other medium where funds can be generated. In cryptocurrency, everybody can win at the same time.