The raised Human Interface Guidelines found here will never really be of long term use. There is a reason why they were once abandoned and left as it once was: They hinder new concepts from being implemented because you have to always adhere to strict rules.
Then, why not update the guidelines with the new concepts? Well, then it is no longer guidelines, then it is a constantly evolving document and nobody can use that. It simply becomes a mostly useless documentation in that case.
My bet is this document will wither and die (again) in the next few years. HIG and advancements are living contradictions.
