help the mind make an instant map of the UI to help recall
I don't know about you, but this was easier for me back in the days when the UI didn't change based on what you had selected. Buttons and menus that were unavailable for whatever was selected were grayed out they weren't hidden like they are now. Drives me nuts. It all makes me feel that UI designers are forced to do this kind of stuff to justify their jobs. I cannot imagine that (most) people actually find it easier to use.
You're blissfully unaware of the regulations involved in getting a mine up and running. Especially in California. It takes years to get through permitting. And Molycorp's environmental record is far from pristine, which throws more regulatory junk in their way. link. I work in mining, and for an expansion of a mine I worked at that was 100% on private property, there were something like 30 permits, each with its own lengthy process, that we needed to clear before going forward. And that was in a state far more friendly to the industry
Friction is a drag.