[From an e-mail]
I had originally intended on spending a lot more time on this, but as ever perfection is the enemy of good enough, so will just cut to the chase and reiterate the main points I made last week. I'm finding it infuriating trying to get this out cohesively, so please feel free to flag stuff for more discussion. In particular I'm going to try ignoring speculation and "gut feelings", or suggestions for [...], there's just too much to explain.
