Yep, The Status Bar on our LG G2's has also changed to 2 shades of gray. Happened with the Upgrade to 4.4.2 -- also received more useless apps.
Have complained to my carrier AND to LG --- Maybe if enough rattles are placed on the vine to LG they will put it back....
LG is that main one to complain to and there is NO way to go back to getting the blue back on. Curious that they left the QSlide screen with "BLUE" and removed it from the Status bar. Probably one line of code.
Wait until LG starts making black and white HDTV's --- think of all the people lining up for that.