I'm only occasionally interested in animation, so I can only really compare the biggest international studios: Disney and Pixar for the West, Ghibli for the East.
I don't think morality is absent from Ghibli films, but it is more nuanced than in Disney or Pixar. Whenever there is a struggle, it isn't simply good vs evil. Even the cruel witch Yubaba isn't just evil for evil's sake. It seems to me that she's protecting the interests of a large business, and we never really get the whole story of what's going on; there's a strong hint that a great deal more is going on behind the scenes. We only see what Chihiro sees, and it's natural that she doesn't see the whole story. She just goes about her own quest one step at a time, while other things are happening around her that she doesn't understand, which is really all any of us can do.
When I finish watching a Ghibli film, I feel like many questions have been raised and few definitive answers have been given. By contrast, Disney films tend to give very obvious answers, but sometimes they aren't answers that I'm comfortable with.
For instance, I'm not persuaded that Mufasa's (and therefore Simba's) regime is any better than Scar's. Yes, Mufasa's system is more sustainable, but it's still exploitative and murderous for its subjects, the zebra and the gazelle. It's a sustained massacre, as opposed to an outright genocide; is it really obvious that one is worse than the other? The film doesn't even try to hide this dilemma, rather it treats it as a trivial joke because it undermines the 'good (sustainable) side'. We're supposed to celebrate the return of the status quo at the end, without any reservations at all, even though the 'prey' animals (like Pumbaa and Timon) will continue to be hunted. If it were a Ghibli film, the moral ambivalence in the story would be more visible, and the audience would have to make up their own mind.