It'll probably get get there, but it'll probably be a slow migration. After all, no point in tossing out all the Xeon that still have a few years left in them. But I believe Google is now also talking about or is already working on their own custom chip similar to Graviton now. [1]

[1] https://www.theregister.com/2023/02/14/google_prepares_its_o...