Can you give some examples from other anime? I'm not trying to start an argument or anything, it's just that 90% of anime collection is DVD, so there's nothing for me to compare it to.
I know this isn't a current example really, but look at the Renewal DVDs of Evangelion. The Renewal DVDs were the basis for ADV's "Platinum" release (and subsequent re-boxings of that set) and Platinum included about a 1/3rd of the special features the Renewal set had.
But lets pick something more current. The Cowboy Bebop Blu-rays by Funimation were a terrible corner cutting release as opposed to the glorious Japanese release.This is the Funimation release
.This is the Japanese release
There are many other examples out there but when it comes to licensing Anime in the west it's just a simple fact that not as much care is taken when compared to the Japanese releases.
I am guessing this is because in the west things are primarily shifting to a streaming based model and physical releases is a dwindling market sadly.