Google AMP - A 70% drop in our conversion rate. - Rockstar Coders
Google hijacking and hosting your AMP pages (in order to pre-render them) is pretty terrible for user experience and security:
I’m trying to establish my company as a legitimate business that can be trusted by a stranger to build software for them. Having google.com reeks of a phishing scam or fly by night operation that couldn’t afford their own domain.