He never did anything for me because it's basically just one joke: he can't see. The rest of the time, he just smiles and looks happy, so there's no real comedic suffering on his part, or even that much to the people around him. He falls, he misses something, but he's always okay. Where's the comedy? How does that get a laugh?
Magoo: May all the exhibits in this hall shine with the light of human knowledge. NC (vo): He tries cutting the ribbon, but ends up cutting an electrical cord. Tell me if this scene looks cutesy or horrifying. (Magoo cuts the electrical cord instead of the ribbon, causing all sorts of mayhem, including lights bursting) Magoo: I didn't send for fireworks!