About being annoyed at the assumption the article raised - I think its a bit the idea it portrays. And sure I shouldn't care about what people think (and maybe that is an insecurity as well) but the one time I told a real life friend about me and my Master at the time... not in detail but the vague dynamics.
The first thing they said was - oh like in the movie "Secretary"?
And that bothered me. Its the assumptions that people get through articles like that.

Of course that's how the brain works, we need to have assumptions to understand and accept alien concepts. And now I've ranted myself out of my mild annoyance.

lol and on that note - I've also met my very very fair share of so called Dominants who use their dominance mainly to hide their own insecurities etc.