Legacy content has a habit of resurfacing through search engine caching, often...

https://www.scribd.com/document/1016383708/The-Digital-Graveyard-How-to-Actually-Clean-Up-Outdated-Press-Releases-229542

Legacy content has a habit of resurfacing through search engine caching, often hurting your current site’s authority. When outdated pages reappear in SERPs, they confuse users and dilute your brand messaging