SpaceX valuation and ultimate success depends on two things:

1. AI demand continues to grow. 2. SpaceX's orbital data centers are profitable.

If both of those are true, then their current valuation is absolutely justified. I'm confident #1 will happen.

#2 is the big bet, and IMHO this is just an engineering/execution problem. All they need is (a) Starship to work reliably, and (b) a manufacturing line that can build a data center satellite at low cost.[1]

(a) is the harder of the two, IMHO, but they are well on their way. Once they successfully recover and refly a Starship upper-stage, they will iterate step-by-step until launch costs drop to the level they need.

Now assume that SpaceX succeeds. What if AI demand continues to grow and SpaceX orbital data centers are profitable? Think of their moat: they spent 10 years and billions of dollars developing a fully reusable rocket that happens to also be the largest rocket in the world, and that costs 1/10th of what other rockets cost (per kilo to orbit). Plus, they have an assembly line that can build data center satellites cheaply, and they start fabbing their own AI chips.

How is anyone going to compete with that? There are a bunch of data-center-in-space startups, but none have their own rocket--they're going to have to pay SpaceX to launch them. Blue Origin is developing a rocket as large as Starship, but it's not fully reusable--they will never get the cost down to Starship levels.

What's interesting is that all the AI companies, OpenAI, Anthropic, and even Microsoft and Google, are mostly leasing their data centers from someone else. They think compute is a commodity and the value is the trained model. But if SpaceX has the cheapest data center with the most capacity, they will be able to extract profits from the AI companies or (why not) compete against them with their own model (Grok).

In 10 years we'll see whether SpaceX succeeds or fails. If they fail at this, they will retrench back to a launch company (assuming they are still in business). But if they succeed, they will be a massive company, and the synergy between their businesses will be so obvious that everyone will say, "of course they succeeded!"

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[1] Don't be distracted by claims that "cooling in space is hard" or "radiation is a deal-breaker". Neither of those are insurmountable problems--they are just engineering problems. Crucially, they are problems that are easily solved by getting mass to space. If you can get mass to space cheap enough, those two problems are trivial to solve.