Because Elon said so, and a lot of these people are playing with other people’s money, so it’s worth a shot.

Elon says:

• SpaceX is really about xAI, and look how well regarded Anthropic is, we’ll be even better than Anthropic because, welll I’m Elon and I said so!
• All this AI stuff has to go to space because some company that makes a part for natural gas generators is backordered a few years, so we’ll start having hundreds of Starship launches a month.

Yes, he claimed that hundreds of Starship launches a month is a more realistic thing to pull off than making some parts of natural gas turbines…