I think it depends more on the intended target audience. The films you have issue with feel like they fit in well with the attention span, vibrant colors and little funny scenes for children in the 6 to 9 year old range to enjoy. I consider anything beyond that something added in to keep the parents awake and the animators sane (or functionally insane as the case might be).
The second list of films you mention have emotionally moving plots and I'd consider them a good fit for the next demographic bump, roughly 9-13. I think I might have cried to a film for the first time watching ADgtH as a kid.
Puella Magi Madoka Magica is definitely mature. It has intense situations, highly emotional plot, and story elements that younger humans would be less equipped to relate to. I still highly recommend watching at least the first 3 episodes. If you're still on the fence watch another 3 episodes. The third movie is new content... I couldn't resist it, but the series/first two movies are a complete story without it.
The second list of films you mention have emotionally moving plots and I'd consider them a good fit for the next demographic bump, roughly 9-13. I think I might have cried to a film for the first time watching ADgtH as a kid.
Puella Magi Madoka Magica is definitely mature. It has intense situations, highly emotional plot, and story elements that younger humans would be less equipped to relate to. I still highly recommend watching at least the first 3 episodes. If you're still on the fence watch another 3 episodes. The third movie is new content... I couldn't resist it, but the series/first two movies are a complete story without it.