I reckon the deeper purpose behind AMP is to fight ad blockers. Another google source in a thread from a few months back mentioned that the AMP team was within

I reckon the deeper purpose behind AMP is to fight ad blockers. Another google source in a thread from a few months back mentioned that the AMP team was within Google's advertising division. The goal is to get all the content onto google servers so they can serve ads from the same origin that cannot be blocked. Amp in combination with chrome's built in "ad blocker" is part of a broader Google strategy to protect their advertising model.