+1 food/camp will beat fertilty rate in most cases if there's 2 camp. Fertility rate would require 20+ surplus food to rival the base bonus of 2 additional food. And even though you're unlikely to get a camp in every city, fertility rate is nearly irrelevant if you have less than 10 surplus food anyways.
This, plus the fact that food is food, and growth just means reaching the next pop faster
(unless you're pre-patch Floating Gardens). Hunt God will feed an additional pop/specialist, maybe more. Growth just means transforming your +2 surplus into a hill tile in fewer turns.
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If simply the pantheon beliefs and the enhancer beliefs had (1 or 2) "strictly best" members, but follower beliefs and founder beliefs were on a scale, and follower beliefs were situational, would that not still reward the player who generates a pantheon and a religion and its second great prophet the fastest?
In a way you are rewarded in religion with the ability to crush other religions and pantheons, so there is always that factor to present as the bonus to you for your Shrines and faith wonder settlement. In turn, as pantheon beliefs become follower beliefs, there is that trait of sharing its benefit if you do spread it outwardly, which should satisfy the players wanting situationalism there. The first choice and first enhancement give you the follower belief with most strength and what you want, and your founder belief (i.e. Tithe

) is a prize for getting there first, but the follower beliefs would interact with the players' situations.
So Pagodas being "OP" is against this model, but tithe being "the best" is not. Neither are the passive spread traits to be reviled for being so obvious, maybe there aren't enhancer beliefs that are auto-good enough, since that Interfaith Dialogue Founder still makes you want quirky things to happen with religion. At the end of the day, a bonus on the table for playing the religion game is the ability to become the only player who gets to use religion. Just as unlocking one SP or one tech earliest does not mean this will keep up to the actual greatest benefit you
could achieve with your resources (except for plastics

), cannot some players in a game be granted the truth that, for them, early is not the right time for religion?