Banks are bad. They get money from your money and give you a little portion of what they get. You should've know that by now especially that institutions like banks are the worst out there. Meanwhile, BTC's volatility is quite reliant due to the fact that its price is going upwards throughout the years with a magnificent return of investments.
both have different characteristics, but with our BTC there is also a big risk consequence. indeed currently btc is on the rise, but we can see the previous year where btc dumps, and a lot of people are frustrated. I think both of them have their own positive qualities