You're goddamn right it is. Matthew Garrett [0] used to do UEFI stuff for -IIRC- RedHat. He has MANY blog posts about fucked-up parts of the spec, and horrifyingly fucked-up implementations of the same. Sadly, it looks like most (if not all) of his posts are now tagged "advogato, fedora", so I can't point you specifically to the UEFI gore posts.
My personal favorite is how http://lkml.org/lkml/2013/11/11/653 is posted by @hp.com that also locked access to UEFI updates to paid customers not long after it was posted.
You're goddamn right it is. Matthew Garrett [0] used to do UEFI stuff for -IIRC- RedHat. He has MANY blog posts about fucked-up parts of the spec, and horrifyingly fucked-up implementations of the same. Sadly, it looks like most (if not all) of his posts are now tagged "advogato, fedora", so I can't point you specifically to the UEFI gore posts.
[0] http://mjg59.dreamwidth.org/