A fairway bunker IS a Hazard. As such, erroniously hitting into one should extract a degree of penalty - maybe 1/4 stroke or 3/4 stroke but in any event, a partial stroke. This means one can advance the ball and have a lesser distance for his next shot but by no means an unencumbered shot that would be on parady with a properly executed shot, which lands in the fairway.
Since there are a multitude of tee options at Whisper Rock, perhaps instead of blaming the architect for misappropiate bunker placement, one should 1st endeavor to not be guilty of misappropiate tee selection.
Often times, an architect will set a bunker at the beginning of a landing area to define it, then one long and on the opposite side to deliniate the ending of it. The 1st one, no one should go into but the last is the one which may trip you up.