BDSM: No Definition Needed

I recently read a thread on Fetlife in the BDSM Theory group about how D/s has taken over BDSM and it now defines BDSM as a whole. The basic complaint that the initiator of this thread had was that the perception of the lifestyle was becoming homogenized into strictly dominance and submission. As an outsider looking in, I don't agree in the least.

I have heard many explanations of what the acronym is supposed to stand for, but the one I was taught initially was Bondage, Discipline...