I was just wondering what's in this 176gb Bloat file?

Is it actually required to play the single player campaign of MW2/3?

Realistically, that's all I want! I don't really care much for the Multiplayer, zombies, spec ops etc.

Or is it one of those BS situations where the unholy trinity (Activision/IW/Treyarch) can't optimise a game to save their lives and requires a 1tb+ SSD just for themselves?