Unless several other games exhibit this issue, I'd consider this to be an issue with Civ VI. I'd bet that this same program eats the battery of any Mac, hence

Unless several other games exhibit this issue, I'd consider this to be an issue with Civ VI. I'd bet that this same program eats the battery of any Mac, hence it being a Civ issue, not a Mac issue. Call me on this if I'm wrong.