Are Site Reputation Abuses Worth the Ranking Risk? An Expert Opinion
https://www.tumblr.com/maliciousmoonstratagem/815069239407984640/is-the-doorway-pages-penalty-worth-the-seo-risk-a
Site reputation abuse sounds like something you do in the dark, then deny in the light. In SEO terms, it’s the stuff that tries to borrow credibility it didn’t earn, manipulate user trust signals, or weaponize the appearance of legitimacy