cjl, all those quotations in your above post are mine (and the last one came first), so I'm going to respond and say that still no one has given me any reason to believe that there was, in fact, a point of divergence. I'm not a scientist and also not going to get into a deep discussion of quantum physics because I think, first and foremost, science fiction is fiction. It's about what's
possible given our theoretical science, not what
must be based on those theories. Is it possible there was a point of divergence based on the fiction of the series? Yes. Must that be the case? No.
So, I challenge the assumption of the first question:
1. What was the divergence point that created the mirror universe? Or was the MU always bad to the bone?
I say there was no divergence point, and the MU has always been not necessarily bad, but opposite. A mirror.
Also, even if we take the evil twin comparison (a fiction in itself) to the universe, that would mean that they diverged at the point of the Big Bang. But even that is too much science and not enough fiction for me. It's still not fun and engaging. It's just another parallel universe. Like the many we've seen before on Trek and in countless other series (
Sliders, anyone? Or the really dark "The Wish" from third season
Buffy). Trying to find the point of divergence spoils it all for me. Same old, same old, again and again and again.
And also, it's not as believable as a construct if there's a divergence because why would the same people in an alternate timeline simply with a divergent history be so opposite from their "real" selves? Having one different point in history creating a Terran Empire doesn't mean everything else would be inherently different as things clearly seem to be in the Mirrorverse (see again
Buffy's "The Wish," where there is a divergent point, but the people are still the same). The inherent difference to me demands a different premise, a complete opposite, not simply a divergent point. Science doesn't explain this.
And rather than the MU being less engaging if it was "just another diverged or alternate timeline universe," I think it's important that we feel in our gut that the MU could have easily been us.
I don't. Then it becomes just more preachy Star Trek moralizing. Another thing that's been done to death, both in Trek and out, and is an even bigger turn off to me.
Shatner defined the divergence point in his book Preserver as Cochrane tossing a coin on whether or not to tell the other Montanans about the Borg
This doesn't wash for me because it's a book and not onscreen, so not canon.
I'm not saying we shouldn't try for fun to hash out when a divergent point happened if we want to say there was one, but I'd just like us not to assume that there had to be a divergence. It doesn't make any sense to me. Either from an internal logic standpoint or from a thematic/conceptual/artistic one.
Since we're talking timelines so much, this thread and the time travel one seem pretty similar.