The total lightness of the commercial contrasts with the darkness of the message- a strongly negative portrayal of meth abuse. What I mean by total lightness is that the entire video is extremely well lit, with minimal use of shadow. I think the director of this commercial chose to have the light flood like this because he wanted to eradicate any hint of mystery that may come with using the drug. The message is that this IS what will happen. There is no darkness or calignosity that will hide it.