I think this comes from: 1) Tweets are easily embeddable 2) Twitter has spent time and resources on educating journalists about #1 and inserting a fully forma

I think this comes from: 1) Tweets are easily embeddable 2) Twitter has spent time and resources on educating journalists about #1 and inserting a fully formatted tweet in most CMS's is just a matter of copy/pasting the URL 3) There's a lot of journalist on Twitter (e.g. they are in the echo chamber)