For china its a future investment. Its R&D, an image topic and its the job of a state anyway to do fundamental R&D.

Google has so much money, I don't know why they are doing this, perhaps because they can, because the people in their lab would like to shoot something up, but thats not the core selling point of Google.

Blue Origin, you are referencing, is doing Terawave its a Starlink competitor. Which is not a AI DC in Space.

CASC yes Google yes Blue Origin yes

But yes I mean either idiot or duplicitous for marketing/stock boosting reasons.

I wish there was a Kalshi market for TeraFLOPs in orbit by X date

I think the parent would say that all those entities are perfectly willing to promise things that are not feasible/not happening in reality.

From the links you shared, it seems they are first trying to determine whether it's economically feasible at all.