When I make an investment in a company I'm providing capital that that company can use in various ways.
In return I become an (very small) owner of the company. I get a say in how it's run (voting rights), and I get a share of the profit (in dividends).
If you hold on to a stock like coca cola for 30 years, never looking at the stock price, and never sell, you'll actually make money.
Yes there's risk, coca cola could go out of business. But that's pretty unlikely, and if you're not willing to take that risk, consider using a diversification strategy. Buy some passively managed ETFs.
Even with the crisis, in the long run, you would've made money. Investing is not gambling, it's not a zero sum game and the fundamentals of it have some basis in reality.
Whatever is happening with Bitcoin right now makes no sense. Eventually things like this have to realign with reality.