Accelerated Mobile Pages can be identified nowadays to make your page to load faster on the mobile and almost every publisher looking to have the AMP pages.
Initially, Google was not showing the real URL which published as AMP page. But from now on Google will show the Anchor tag that re-direct the AMP page to original URL of the publisher website.
Publishers try to put their footer and other form of links to make the reader to visit their website from the AMP pages. Google felt this problem and come with the Anchor button link now.
AMP pages are the requirement now and we also suggest to have your site AMP compliant to load faster. Although if site loading is the concern to introduce AMP then why to make the website so aesthetic.
The answer of this question to have more visitors and your website is your brand of your business. Apart from this, Google will consider to show the AMP pages first to have faster search result over the web.
It is for Google you can say one need to do.
What is AMP if you have that question in your mind? Then visit here.