> The current datacenters full of AI compute can't really be used for anything else if AI companies go bust.

That's hard to know from this vantage point in the present.

Who knows what ideas will spring forth when there are all these AI-capable data-centers sitting out there on the cheap.

> Who knows what ideas will spring forth when there are all these AI-capable data-centers sitting out there on the cheap.

You still have to pay for power to run them. A lot of power. It won't be that cheap.