"Cover shooting is fine if it serves the game; if it's the glue connecting the actual interesting bits of the model aeroplane. But when the interesting bits only exist to serve the cover shooting, then you're grinding up the model aeroplane components to help beef up the glue. You give us mastery over one of the fundamental forces in the universe and then suggest we just use it to make it slightly easier to shoot things behind cover? Not really a big picture sort of thinker, are we? I'm glad you were never given a Green Lantern ring. You'd probably just use it to conjure a magical green credit card to pay for a second-hand spud gun. Couldn't we use our gravity powers to, y'know, fly?!"