It would collapse on itself, unable to carry its own weight, heating up massively. I consider superheated pudding volcanos something of a downside, personally. I cannot reasonably estimate what might happen in the centre of the world, supercritical fluid doesn’t seem enough. Perhaps nanodiamond crystallisation from the organic parts of the pudding? Also lots of hydrogen release, I’d guess.

My suggestions involves only change of the legal framework. Besides, there are non-profit companies. I’m not sure about details, but for example Velux (windows manufacturer) and Carl Zeiss (optics) are supposed to be non-profits, and Anthropic could say no to the DoD because it’s some sort of not-just-for-profit company.