Can't really blame the animation style, IMO. Most of these cartoons are produced under what are essentially sweatshop conditions in South Korea, and getting fine details and real artistry can very quickly pass the point of diminish returns. Animators and creators usually have a lot more time to develop the character models and the general look of the show. If the picture from the post thumbnail is from the show, then I'm saying that it looks incredibly uninspired and lazy.