I'm yet to see a single page in the carousel at the top of a search page not be an AMP page.
To be precise, it is not explicitly boosted in the rankings. One factor that Google Search takes into account is page load time.
https://webmasters.googleblog.com/2010/04/using-site-speed-i...
There was a vicious spiral at work related to advertisers not caring enough about page load, and adding that signal was not enough. AMP shifted the game by placing the burden on Google of specifying a way to hit advertisers' goals while offering a faster experience.
> To be precise, it is not explicitly boosted in the rankings. One factor that Google Search takes into account is page load time.
And AMP pages are hosted on a Google CDN. They are very clearly putting their thumb on the scale.
https://moz.com/blog/google-amp-search-results https://searchenginewatch.com/2016/07/06/is-google-amp-a-ran...
[just to be clear, just because you read it in some HN thread doesn't make it true. Let's see a single citation that it actually influences ranking]