One other thing I've seen of the style that again fits with "lazy animators" is the flatness of the illustration - left side, there's shading there, there's extra lines that help you imagine the shape of the head being drawn.
Right side, it's a Mr Potato Head. No definition to anything - presumably, that'd slow down the output, and that's not something the Fun Factory can tolerate...
One other thing I've seen of the style that again fits with "lazy animators" is the flatness of the illustration - left side, there's shading there, there's extra lines that help you imagine the shape of the head being drawn.
Right side, it's a Mr Potato Head. No definition to anything - presumably, that'd slow down the output, and that's not something the Fun Factory can tolerate...