He made... a Wordpress SEO plugin? Is that supposed to make him an authority on web standards? If anything, this just gives more credence to the idea that it's just the usual SEO-optimized slop.
Actually, it gets better: He originally submitted the website to HN himself[0], and his post was flagged/removed, likely due to being AI generated and indistinguishable from a lot of the AI spam that clogs up /newest.