When there is issues with banks and transactions also becouse of hacking and cyber attacks.
Then people need to use crypto there is reports that in many countries now cyber attacks.
So what options you have? You need to use crypto If you don't have you buy it with cash or you can borrow.
Your crypto can also be hacked and stolen. As long as you are on the internet, you are susceptible to such attacks and you might lose your money. There are many reasons why you might want to use bitcoin, to get away from centralization and control, and also to have your money in your non-custodial wallet, but you are going to still use fiat, that is what is mostly acceptable in every country.
Crypto is a broad term that includes altcoins, but i'd advice you to buy only bitcoin and not altcoins, and you must never borrow money to buy cryptocurrencies.
I am also against trading on borrowed money because once you take your bid, you borrow more to clear your bid and trading is not something that will make you rich overnight, or pay off all your debt. You may have to wait for a long time, but those who you borrow money from won't wait. There are also good alternative coins in the market, so why only buy bitcoin, I think there are projects like BNB, and SOL in this area, which are trustworthy and have good probabilities of going up.
After Bitcoin, the most trusted in the market right now is Ethereum and this can also be seen as a long-term investment project. Also not out of reach, those who are still investing in Ethereum will benefit in the future whereas those with a small amount of money may not be able to get as much profit from investing in Bitcoin.