I disapprove of this idea of favour. I don’t think that has anything to do with a realistic survival game. With this concept, the game would switch to a fantasy perspective. That would be a shame.
Regarding the Roman Catholic religion, it has the advantage of having many different types of buildings: Chapel, church, basilica, cathedral, monastery, etc.
With the Muslim religion, we have the choice between mosque or mosque, or mosque. ^^ Ditto for other religions that you could draw inspiration from.
As for the use of spirituality, well it could be one more thing to satisfy our villagers in addition to health and other criteria already implemented.
Finally: I hadn’t noticed that the update had been made. I was surprised to see notifications for merchants. 