When legacy content resurfaces, it often creates a messy user experience and...

https://www.scribd.com/document/1016381165/Why-Do-Old-Content-Problems-Show-Up-at-the-Worst-Possible-Time-205018

When legacy content resurfaces, it often creates a messy user experience and hurts your site's search authority. We’ll show you how search engine caching can inadvertently keep deleted pages live long after you’ve sunset them