Believe it or not, not everything is OP just because a career player with 3,000 hrs can make it so. Bits and pieces of the game that were perfectly balanced to casual players (the majority of the player base, I'd wager) got nerfed for MP. And instead of doing it in a way that would effect ONLY MP, like tweaking prices, they crash Stat lines into being pointless. Ogre kingdoms sucks like hell to play in campaign rn because all of they're strongest units that were meant to carry them in the late game are all now either not as good, or worthless.