Try to send some big amount of money internationally and you will see why crypto is the future. With regular banks it takes days, weeks and many times months due to intermediate banks, AML questions, reviews, etc and have very high costs associated for simple transfers of money hardly earned.
With cryptocurrencies it takes seconds or minutes and no questions asked with very low fees
Even in big companies you always see examples which break the technology like creating something on the blockchain which has a connection to the real world.