WoW Factor: Updating data in the wake of Battle for Azeroth’s release announcement

Hooray, we have a release date for World of Warcraft: Battle for Azeroth instead of just a release window! And contrary to what many skeptics (myself included) expected to get, it is actually quite a bit faster than other releases. But as you all have no doubt noticed by now, my love of math means that I’m hardly sore about this. It just means that there’s another data point to consider when we look to the future.
So let’s talk about this new piece of information while using the same information from the column in which I made a reasonable estimate, based on this new information. Again, I think it’s important to note how much faster this expansion is actually releasing compared to prior expansions; it’s significant, even if it means that the people predicting things like June were being wildly wrong about “optimistic” predictions. (After all, pessimistic predictions were equally wrong, just in the other direction; my own estimates were off by 2-3 months.)