Er...? Did they really install a giant curved reflecting surface in a direction other than north? They're in for some interesting burn marks around that building. They probably should sand the whole facade, so the light gets scattered and not reflected. Still, must've been quite a sight when the car began to melt.
Probably planning it completely new was too expensive, so they decided to build up on another plan. Somewhere around there someone got the plans for a solar plant instead of an office building. Happens all the time.