Caption: “In Oblivion (2013), massive floating "hydro rigs" drain Earth's oceans to harvest water for a giant Al. Back then, this was somehow considered a bad thing for Earth and humanity.” Pictured: the scenes from Oblivion: a hydro rig taking water, an ominous HAL 9000-esque red light on an inverted pyramid, and Tom Cruise chilling out watching a hydro rig stealing water