When search engines resurface forgotten or outdated legacy content, it can tank...

https://www.scribd.com/document/1016383708/The-Digital-Graveyard-How-to-Actually-Clean-Up-Outdated-Press-Releases-229542

When search engines resurface forgotten or outdated legacy content, it can tank your site's authority and confuse your users.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