On the military side, "Starlink V3 with data center" looks a hell of a lot like an orbital Synthetic Aperture Radar asset, which requires both a big antenna and a good deal of onboard computation to mitigate bandwidth requirements.

See https://www.youtube.com/watch?v=jbp3kdJZ1_A and specifically for the economics of AI vs surveillance - https://www.youtube.com/watch?v=mA-S1JGzph4