It would make sense for them to do so if they have variable load but a lot of hardware waiting for action, like Amazon had back when - busy in the evenings, pea

It would make sense for them to do so if they have variable load but a lot of hardware waiting for action, like Amazon had back when - busy in the evenings, peak load around the holidays, crickets at night. But if they had that, I'm confident they would have been renting out servers a long time ago now. I wonder if they themselves are customers of the cloud providers.