Ritual seats can be "related to" other ideoligions and will cause a mood debuff when placed in a room even if the seats are built by a colony member of the correct ideoligion. This is especially problematic for bigots since the ritual seats appear to count as "diverse" surroundings.
This bug has been reported by others, but remains unsolved:
https://www.reddit.com/r/RimWorld/comments/op1xop/suggestion_or_bug_shared_ideological_buildings/
https://steamcommunity.com/app/294100/discussions/0/3042732243096630841/
This bug has been reported by others, but remains unsolved:
https://www.reddit.com/r/RimWorld/comments/op1xop/suggestion_or_bug_shared_ideological_buildings/
https://steamcommunity.com/app/294100/discussions/0/3042732243096630841/