The idea of having one battle uniform that works in all operational environments is a losing proposition from the get go. Personally, I didn't see anything wrong with having BDUs/black boots and DCUs/tan boots for the USAF. But that was before the USMC and USA came out with their new-fangled pixelated uniforms, so the USAF just had to have something new too. At least the USMC still kept separate BDU and DCU styles, not a single style like the Army and AF did. If common sense ever makes it way to the Pentagon, it'll be the 8th wonder of the world...