That’s because it was severely over valued for a company that produces no product and makes no profit.
To be fair it was a solid pump and dump.
You mean creating a worldwide communication system that has to be completely relaunched every half decade that is the exact opposite of profitable isn’t sustainable!?
Actually the Starlink division itself is profitable.
The unprofitable part is Twitter and xAI which got merged in right before the IPO.
SpaceX was actually on the path to being quite profitable, but then Musk tried to hide his two biggest money sinks inside it.