It's a treatise on the code of interplanetary conflict, one that was instated by Tyrest and enforced by Ultra Magnus until recently. [Odd how he's referring to himself in the third person.] However, this was enacted due to the Great War as a measure to protect other planets from our warfare, which I had believed to be the case for you as well...

[This is going to be difficult to reveal, now that Ultra Magnus was his original self in Starscream's timeline.]

Then it is plausible that the original Ultra Magnus of your universe was not killed as the Ultra Magnus of my universe.