[Pu the Owl]

It's true: all characters in Milne's stories have their oddities and they seem pretty much obsessed with something, not really going deep into anything else. I don't see it as a limit though, in fact they are supposed to be like this because they are toys, and humanization of toys cannot make these toys act 100% like humans or actual living beings, as that would make them appear even less realistic and coherent. Milne reflects on this, making their obsessive attitudes become a strong point. Pooh knows he has no brain and that he can only care about honey. The others know they're only toys and can think the way toys would think. They do not pretend to be anything else than stuffed animals, apart from Owl who indeed is regarded as ridiculously pretentious from the author's point of view. BTW, I think the "all cute and adorable" side is simply amplified by Disney taking away most of the irony, to make it be more accessible to nowadays easily distracted public, while it was on another level in the original works. Also, when you read the books, you can notice how the fact the characters' personality is so very simplified at first glance is a very powerful way to convey emotional impact without the need of trite sentimentalism, which anyway would be out of place in such context. Making their personalities be more complex or troubled or the events more complicated would have made the simple poetry and wisdom they succeed in delivering quite ridiculous and lacking depth. It's the details that accompany the naivete of the situations to allow content to stand out.