I really wouldn't worry about any "Big Brother" editing your posts. I believe that to be an entirely groundless worry. On SOLO, someone from admin might come onto a thread and caution one or more folks to tone down. Or, if there is a chronic problem, the person will be placed under moderation.
I'd be very interested in hearing about this possible personality disorder you mention. From the various experiences I had working with NB (which were, granted, business ones, and long distance, but still pretty in-depth ones), I am finding this very hard to swallow. If anything, he was the steadying force in some instances that got very tense for me. Dr. Branden can be pretty, er, brief, but it's more along the line of how a driving business leader sort of thing- he values his time very intensely, as well he should. He was always positive, encouraging, and walked his talk, with interest.