Was Aero also the last instance where all of the Control Panel widgets were actually Desktop first? Ever since, they Control Panel has been a mismatch of Mobile

Was Aero also the last instance where all of the Control Panel widgets were actually Desktop first? Ever since, they Control Panel has been a mismatch of Mobile design and being limited to a single interface pane. It is maddening to look at the historical data density that was tossed for something a programmer could thoughtlessly bang out in an afternoon.