I think something like needing both a net score of -20 and >75% negative votes in order to hide a post would work to hide really objectionable posts while keeping merely controversial ones visible.

New York City’s ranked choice voting system will be critical to determining who prevails in its Democratic mayoral primary. Voters first approved ranked-choice voting for certain city elections ...

Ranked-choice voting explained: What to know for New York City mayoral election Monday, June 23, 2025 Kemberly Richardson and ABC News' Averi Harper explain the ranked choice voting system.