I'm not really sure, ask Twitter since the amp=1 thing is just generated in their mobile website and application. This is definitely a guess, but maybe some web

I'm not really sure, ask Twitter since the amp=1 thing is just generated in their mobile website and application. This is definitely a guess, but maybe some websites implement AMP by checking the referrer and redirecting to it, and Twitter interprets that as "let's backtrack to the last page, that's the canonical version" and uses that?