you probably won’t be able to do exactly this without coding something yourself, but this may help get something sort of in that direction: https://forum.inaturalist.org/t/how-to-search-for-and-or-sort-by-number-of-active-ids-number-of-comments/47247/5.
there’s more previous related discussion here: https://forum.inaturalist.org/t/add-url-parameter-to-only-show-observations-with-disagreements/30308.