Originally Posted by Van'tal
Larian's justification was that they didn't want enemies firing from off screen...OK...grumble grumble.
This is nonsense, of course. RAW, this is compensated by the cover system. Larian decided not to bother themselves with implementing it. And if that wasn't enough, all enemies in the game have a case of moderate-to-severe myopia: I can sneak right under their noses, but their vision cones are too short to notice me.

Well, here we go: step away from a balanced ruleset anywhere, and something else falls apart. Step away again to compensate for it, and another bit becomes either OP or meaningless. Et cetera, ad nauseam...