Aren't those called missiles or UAVs? As in, we should consider why we have planes in the first place: it's to deliver some payload (bombs, missiles, or in the

Aren't those called missiles or UAVs? As in, we should consider why we have planes in the first place: it's to deliver some payload (bombs, missiles, or in the olden days, cameras for photography) to a specific place where you make use of that payload and then go home. Once you remove the human, you're not left with too many uses that can't be solved with existing technology.