It’s a nice idea, but it mostly comes from the idea that firing bullets has a higher damage to cost ratio than firing missiles. In anti-tank combat, this really hasn’t been the case very often. Sure these things can take down a tank like nothing else, but I’d like to see a similarly designed plane with underwing air-to-surface missiles with apex or efp warheads that cost as much as two seconds of firing from this gun, and see which one is more effective.