FTX literally has no CFO [1]. How is this possible for a billion dollar company and billions in client assets? How did the investors not insist on an adult to manage the their investment?
The CFO, and the credibility they bring to the table based on their track record and reputation, is part of the system that helps prevents situations like this.
[1]: https://www.ledgerinsights.com/ftx-warning-signs-no-cfo/