Stale content doesn’t just disappear; it often resurfaces through old archives,...

https://stateofseo.com/should-i-301-redirect-old-urls-or-leave-a-404-the-reality-of-content-decay/

Stale content doesn’t just disappear; it often resurfaces through old archives, cluttering search results and confusing your audience. This ghost traffic can dilute your authority and hurt your rankings