Global economic crises are mainly caused not by the mistakes of companies, but by the intentions of world financial magnates. This has already been said above. Although mistakes are possible, because macroeconomic conditions are changing rapidly, and people do not have time to adjust.
Cryptoindustry is very young. There are more mistakes here than in other areas. But many have already understood that this market has a pronounced P&D character. This is due to the cyclical increase in the price of BTC every 4 years.