Nothing is "needed". It's a game. If most players hate it or hate the way it's been implemented, then take it out, or at least tone it down.
I compare to pollution whack-a-mole, which we had to endure for years before Firaxis finally conceded that maybe there was a better way to go about including pollution in the game.
I compare to pollution whack-a-mole, which we had to endure for years before Firaxis finally conceded that maybe there was a better way to go about including pollution in the game.