Religious is 2/3 full of rebels and instability 1/3 gaining stability? The papal points are nice but only good for catholics, it just seems too situational to be doing so well in this.Religious is one of the strongest idea groups with bonuses for any religion. Catholics receive +2 papal influence = +1 free stability in about 30 years. Faster conversions also mean free papal influence. Orthodox and Sunni e.g. receive a very useful CB so that you could take any land you want and create vassals to feed. On top of that some of the best events in the game.
Economic is spending monarch points to get money, while in the long run it should be the opposite. It's a crutch for short-term that damages long-term.