Continuous addition of features which have not been part of the original vision, a.k.a. "Agile development" is a bad approach for games development.
It may be good for the revenues of the developer or for pumping the playtime hours of the player, but the best strategy games were not the result of Agile development but of clear and holistic vision for what the game should be. Patches were aimed at balancing factions, and the number of expansions was 1-2, with some QoL features.
Ceaser 3, StarCraft, Age of Empires, Red Alert/Command & Conquer.
I'd say this development model is stopping Paradox from producing a true masterpiece of strategy gaming. Only for CK2 I could say that it's got one foot inside the pantheon.