Earlier quoted context omitted.
Which is fine but not a substitute to Facebook's or Apple's solutions. People want their articles to load instantly, not merely quickly, which means you need a subset of HTML, CSS, and JavaScript that can be validated to be safe to preload, which is exactly what AMP is.
Preloading is just making server calls which is already possible, and preloading the HTML of the page will give you most of the experience of an instant transition without any need to validate anything.
It will also deanonymize the user to the publisher. I said AMP validates as safe to preload, not possible to preload.