End users are accustomed to a banner at the top of sites, with an 'X' on them. Things like, for example, the "EU Cookie Notice".
However, they are used to using the 'X' to get the irritating banner out of the way.
In AMP land, clicking the X sends you back to Google. What are the chances this is what the user is expecting? Who benefits from this setup?
Edit: Remember the DiggBar? https://techcrunch.com/2010/04/06/diggs-kevin-rose-diggbar-i...