The environment is pretty horribly CG in those first shots in that video, like a computer game (which is totally fine for a humorous video like that but it sure looks super cheap.) But I agree that you could probably achieve better results with shooting actors in costumes, even with green screen, if you put them in front of a realistic looking background (a nice miniature comes to mind) than upscaling analogue based video. The question is if you actually want to go all revisited on this edit's ass ;-)