When search engines resurface forgotten or outdated legacy content, it can tank...

https://www.toro-bookmarks.win/your-site-s-forgotten-legacy-pages-are-likely-being-scraped-and-indexed-by

When search engines resurface forgotten or outdated legacy content, it can tank your site's authority and confuse your users. This happens through aggressive caching or deep-link discovery, dragging irrelevant pages back into the spotlight