When search engines resurface forgotten or outdated legacy content, it can tank...

https://wool-wiki.win/index.php/How_to_Properly_Kill_a_Product_(Without_Getting_Haunted_by_Its_Ghost)

When search engines resurface forgotten or outdated legacy content, it can tank your site's authority and confuse your users.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