reminds me of McFarlane RoboCop who didn't have any chest muscles either.
is it what tankman sculpted? i doubt.
I agree about the McFarlane Robocop, his chest was too small and sloping. I can only think that P. is suggesting that the mass-production process and shrinkage from the 2up down to the 7" caused a few anomalies like a wimpier chest than he remembered from the proto.