Jason Barnard wrote an article for Search Engine Land back in September, 2024 that hasn't received much attention but probably should. The title of the article is "Google recognizes content creators: A breakthrough for E-E-A-T and SEO," and the gist of the piece is that "E-E-A-T takes on real (measurable) meaning when Google identifies people it considers authoritative on a topic and can confidently link them to the content they create."
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It would seem to me that a lot of the dreck in today's Google Search results would go away (or be pushed down into oblivion) if Google did a better job of recognizing and rewarding topic authority for individual content creators. Danny Sullivan said recently in a Search Engine Roundtable thread that Google doesn't currently use "authorship." If not, why not?