There are giants and shoulders to stand on top of here. Even starting from First Principals supposes familiarity of what exists. There's a corpus of thinking and work available to us across disciplines: How media organizations handle reader responses, editorial boards, fact checking & corrections How product teams do market validation, advocacy and loyalty programs…
Community moderation, paid editors, and the latest AI and machine learning tools assisting all involved are core to addressing misinformation and disinformation at global scale.
Suggestions are made with context from content, authors, activity streams, and social signals. Presenting people with suggestions at the right time are opportunities to recommend a change to make or ignore and surfaces other ways to tailor their experience. https://meanbusiness.com/2021/11/02/the-tools-we-use-app-context/
Contact info and preferences, social channels, activity streams, account management