I agree, but an application is not all content, it's also a machine, and the interface needs to be intuitive to use and separate it self from the content. If d

I agree, but an application is not all content, it's also a machine, and the interface needs to be intuitive to use and separate it self from the content. If depth, texture and so on can be used to convey functionality, but isn't in the name of fashion, then it's form over function IMO.