Sure, that is possible, but there's still no evidence that compute scarcity is the issue here. It seems a stretch to assume it must be the pricing model when there are a multitude of challenges presented by this kind of ramp.
https://archive.is/q0cPI
"Microsoft turns to Amazon for help with GitHub's AI-driven capacity issues"
https://archive.is/q0cPI
"Microsoft turns to Amazon for help with GitHub's AI-driven capacity issues"