I'd have to say that most people don't look up.Holy Toledo ZZTops, that is one huge planter to get airborne, and I don't need no cheap sunglasses to know that is true ha ha.
On a serious note, that grow must be located on well fenced private property, or someplace so far out in the sticks that only 4-legged critters frequent the area, since no human would ever look up and mistake that monstrous rig for a spotted barn owl.