Yeah, but I guess that is part of my (and perhaps Anthony's) problem here. If analyzing helped to find out that the crashing ship wasn't the Enterprise, and if it has been more or less an open secret that Cumberbatch is, in fact, Khan, that just adds insult to injury.
If they had used a ship design completely different from the Enterprise (like, for example, TWOKs Reliant was deliberately made to look different from a refit Connie), then they probably wouldn't have added the crash scene to any of the trailers - because it would (a) have given away the fact that and how the villain ship got destroyed, and (b) not have led to speculation about a TSFS-like destruction of the Enterprise.
What it boils down to is the fact that they were able to use that scene in a trailer because the ships just happened to look alike - or because they were designed to be misleading in the first place. And that I consider a cheap trick.