Did people lose money with FTX collapse?

Has the collapse of FTX led to financial losses for investors? Given that FTX was a major player in the cryptocurrency industry, I'm sure many people had their money invested in it. I'm curious to know if those investors have suffered significant losses as a result of this collapse. How widespread is the impact of this event on the cryptocurrency market? Are there any lessons that can be learned from this incident to prevent similar events in the future? As a professional in the field of cryptocurrency and finance, I'm interested in hearing your thoughts on this matter.