Old content doesn't just disappear; it sits in web archives, waiting to hurt...

https://seo.edu.rs/blog/wayback-machine-has-an-old-version-of-my-page-can-i-remove-it-10933

Old content doesn't just disappear; it sits in web archives, waiting to hurt your current SEO rankings. When forgotten pages resurface through automated scraping or indexing, they create keyword cannibalization and thin content issues that confuse Google