You are a minority on this one. However, I agree with you so I am one too.
But Sky Crawlers and Patlabor 2 are better than either of them. And Beautiful Dreamer is Oshii's best film.
Anyway, as for the "list" well obviously everyone has an opinion. I happen to disagree with it though. Wall E and Up are lower on my list, 101 Dalmatians makes my top 20 list, and Lion King is way, way too high. So is Persepolis. Also, not mentioning Miyazaki's best film (Totoro) is a big no no. And no Grave of the Fireflies is almost blasphemy, and I'm not even a big fan of the film.
This list is more like the "Most well known animated films of all time." Which isn't the same thing.
GITS may have been 90 minutes but it felt like 5 hours of lecturing. At least Innocence had the decency to throw in some humanistic scenes now and again (like Batou in his apartment and Batou going to the store). As for a "weak blend of animation styles" in Sky Crawlers, well, I find SC's obvious use of CG in the dogfights much more watchable than the constant green CG in GITS. If Sky Crawlers is like a poor man's Antonioni (which I like), GITS is more like all the bad sci-fi scenes in Wong Kar Wai's 2046.