Boy oh boy this is getting redundant. Yes, I believe high densities resulted in increased stress and smaller racks. This opinion is consistent with research done by several experts. Please scroll back in this post, you will find my opinion is supported by data collected by Snavely, Ozoga, and Alsheimer.
You can chose to believe whatever you want, but it appears that you aren't capable of supporting your beliefs with PGC data. If you can't show that your theories apply to what has happened in PA, your theories and opinions are irrelevant.
I can't make it any more cut and dry than that. You say produce the data, I say open your eyes and realize I've already put forth the findings of several studies; beyond that I don't know what I can do.
You have put forth findings of several studies , but you haven't been able to support those studies with what has happened in PA. But, I have refuted your studies and theories with the actual PGC data.