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

https://bravo-wiki.win/index.php/The_%22Digital_Ghost%22_Problem:_Managing_Retired_Pages_After_a_Rebrand

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 When outdated pages reappear in SERPs, they confuse users and dilute your brand messaging