There isn't a single point you have made in the prior post that I could not argue or debate with. But at the point the discussion is currently at I feel that my statements could be construed as either directly derogatory, insulting, or considered a personal attack. It could be the fact that I just woke up or some other reason. I would still invite you to read:

http://www.arizonapowerexchange.org/academia.htm

The Development of Sadomasochism as a Cultural Style in the Twentieth-Century United States, a dissertation by Robert V. Bienvenu II, Ph.D. This document traces the development of the SM culture, both heterosexual and gay, from 1930 to 1971. This definitive document uses information from the Kinsey Institute and from the Leather Archives, and is a must for anyone who is interested in the history of our past.

APEX Survey is a profile of the members of the Arizona Power Exchange in 2000. It was intended as a scientific study with a byproduct to be used to guide the organization.

The DSM – Classifying Sex as an Illness is a look at the Diagnostic and Statistical Manual used by Psychiatrist and the legal establishment to codify and classify mental illness.

Partner Selection, Power Dynamics, and Sexual Bargaining of BDSM Couples, a dissertation by Bert Cutler, Ph.D. This document is a study of long term BDSM couples, and reveals trends and common elements used in these successful relationships.

SM and Feminist Thought is a look at the two opposing feminist views.


http://www.enslavement.org.uk/essays.html

the last link I feel maybe a bit much for you on many points as the arguments based ideology that you feel is "harmful"