John is rightly puzzled by AMP:
Can someone explain to me why a website would publish AMP versions of their articles?
Sadly, there is an answer to that question: if a website is so bloated and horrible to use that people won’t stick around to read an article, then AMP starts to look like a good option.
But I don’t have an answer for John’s other question:
Why would any website turn their entire mobile audience — a majority share of their total audience, for many sites today — over to Google?