I am so glad that the AVSAB finally publicly took a stand on this issue.
The Monks of New Skete, who developed the theory and the Alpha Roll back in the 1970's, retracted it many, many years ago. They stated that they never intended it to be used by owners, but only by trained professionals in the most extreme cases.
This is also a good article that debunks the dominance theory:
ClickerSolutions Training Articles -- The History and Misconceptions of Dominance Theory