Many view the contents of the box from within, unable to step outside themselves for self-reflection. Some, however, stand outside the box, observing themselves from various perspectives. It's a broader view that might not be immediately understood but should always be valued for its unique insight.
Beware, it is @nogodsforme "reincarnated", and not improved in any way either.....
Oz never did give anything to the Tinman, nothing he didn't already have...