That's governing officials for you; always trying to protect the innocence of youth.
Speaking of "controversial" cartoons, the wife and I have been watching a lot of the older cartoons from the 40's and 50's with the kids. Chip & Dale, Donald Duck, Pluto, Goofy, Tom & Jerry, Bugs Bunny, Daffy Duck, Porky Pig... There is such a plethora of great "old school" cartoons out there. That being said, I used to enjoy a show on Cartoon Network called "The Tex Avery Hour" which hosted cartoons by a great man in animation (check him out if you haven't). After watching some of his stuff on the Tube of You I can say that he had a lot of things in his cartoons that would be HEAVILY censored in today’s PC world. Cigarettes being smoked by animated characters, scantily dressed women in showgirl style night clubs, characters shooting their self in the face... The guy had a brilliant mind for animated humor (especially if you take into account the time he was producing them in) but I think a lot of his work wouldn't live up to the "acceptable" standards that kids cartoons require today; Bright, flashing colors with no point to the show such as Sponge Bob.
Quite a few of these cartoons are thought of as so "touchy" that they even have some corporate representative explaining how "the times back then where so much different and certain things were more acceptable when compared to today". The best example was a Goofy cartoon about Teachers in which a rep for Disney had to explain that back then, no one thought about kids bringing guns to school so to incorporate something like a pellet gun or grenade into the cartoon was understood as being a whacky idea.