Banks won't make you rich but only make your asset secure rather than keeping it by ourselves. At some point we still get benefits with banks. Bitcoin is also best in terms of security because no one can open your wallet as long as you keep the private key or phrase in a safe place where no one knows. Additionally, Bitcoin gives us huge ROI if we invested in it in the lowest swing point. Annually, you can possibly get 100% profit while if you're in the bank, you can only get 5% to 10% annually which is very small. With Bitcoin, you can get what you can get in banks. Be wise with your decision because we can't turn back time.
No one has talked before about banks making a person richer, although in the case of large deposits you will earn interest in return. Does anyone think the same thing as me, when a bank goes bankrupt or an incident occurs and makes the bank stop operating the money we have will get compensation/refund? Of course bitcoin has a far superior value compared to the fiat/bank system, but I agree that currently banks are still quite needed and at least even if we think they are not, the general public still really need it.
Regarding security we can choose our own standards for storing bitcoins, for example, using a wallet that is highly recommended and I deliberately did not mention it because everyone already knows about it. The banking system is also very vulnerable to hacking and even though every day they try to improve the security system, talking about security behavior the only steps that need to be taken are caution and we can carry out these steps ourselves with the available systems.