Usually I hate every additional button. But anything that fights AMP is good. AMP is one of the biggest threats to the open internet at the moment.

Any numbers on how much traffic a news publisher loses out if they flat out refuse the AMP blackmail and don't offer an AMP version?

We the tech crowd should help publishers to come up with creative ideas to subvert AMP.

I wonder if it would work to only show 50% of the article and then have a link "Read the full article on our website".

If a publisher had a great mobile experience, they could get even more aggressive about it. Like have a big disclaimer on top of the page "We have a great mobile website. Unfortunately Google blackmailed us to give them our content. You are currently reading a Google version of our site that we had to make because Google is hiding the open web in their search results. If you want to read the original, click here. If you want to try a search engine that searches the open web, try one of these: ..."