RegDCP - 4:29 pm on Aug 31, 2012 (gmt 0)

What I do take issue with them on though is the damage to SERP rankings of "innocent" sites inherent in the mysterious "shuffle" used to befuddle and identify those who zig zag in response to Google's moves

What "damage"?

Unless the transitional results places higher than the final result, there is no damage.