> Why, because on board storage is too small and the compute nodes are underpowered?

Yes

> And that can't ever change?

It can, but but not for free. As the comment earlier in the thread was referring to, more computing power needs more cooling, and cooling in space is hard.

> A reasonable person doesn't understand technology usually.

What? Do you mean a layperson? Why does that matter when discussing the feasibility of space-based AI datacenters?

> That is increasingly an understanding left to the wizard class.

No, you can get there with a bachelor's degree in a relevant subject. Or just reading informative news sources.

> I mean people make clusters out of raspberry pis and minipcs.

So? What does that have to do with anything?