Diversity In The Workplace: Taste the Rainbow!

Is this simply a brilliant ad from TBWA, or is there something a little deeper going on here about how Americans treat people in the workplace? Is it making a profound, satiric comment on how we beat down upon the Mexican migrant like pinatas for the sweet rewards we enjoy? Am I starting to sound too much like ad critic Bob Garfield searching desperately for meaning where there is none? Yes, yes I am. This is just too funny not to share. Then again...