What does EEE even mean in the context of a proprietary service that Microsoft owns? That is a strategy for killing open standards, which Github never was. It could be a thing for git itself, but Microsoft doesn't even have a git competitor.
Extend: add actions, drive adoption, move your own devs to it
Extinguish: enshittify until all that's left is ads for copilot
They knew GitHub was the, well, hub, for most open source development. Then they captured it, now they use it to push their high margin products