These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Magnum Opus: Was a big hit when it came out, and is still considered a comedy classic. For Mel Brooks fans, either this or Blazing Saddles is his best work. In the commentary Brooks states that he thinks this is not only his best work, but the best for many other people respects.
Misaimed Marketing: Somehow, the "Puttin' On the Ritz" number turned up on the kid-targeted Anastasia Sing-Along/Anastasia's Music Box Favorites video. The clip itself doesn't have anything too inappropriate, but woe to the parents of any children who asked to watch the whole movie after seeing this clip...