Okay, those are the "rules", but Chute-shooting ain't engine maintenance. It's an ART FORM, guys! If you get more artistic effect from spraying the chute at 20k, doing a slow rev, a dive to Vmax and a single shot to the head at 20 AGL, who am I to argue?
So yeah, the sun hitting the camera on a backlit portrait is generally a series of bad ideas, but if the overall artistic effect works, so be it!