Google raised the same amount as SpaceX IPO at the same time, it just didn't get as much attention outside of financial and tech press
https://techcrunch.com/2026/06/03/alphabets-record-breaking-...
The other big players (MS/Goog/Meta) have solid businesses already and both OpenAi and Anthropic are IPO'ing soon.
Musk over bought compute and is renting it out, many of the co-founders of XAI have quit, so doubt they will dominate any time soon.