I think that is very far fetched, some more capitals move into Orkney and you immediately assume that we are going to attack o52, and yet there has been no buildup or scouting ships anywhere near o52. In fact, in RP the ships that are supposed to be attacking o52 are still in Delta.
This sounds pretty much like a very weak excuse for metagaming our (encrypted) comm messages.
Oh and because we have a lot of ships in Delta we are going to attack your home in the Omegas? Uhh... We are fighting a war in Delta, or do your pilots just ignore this fact?
And I am not disputing your knowledge of our movements towards Orkney, they are pretty obvious, and the Maquis would be the first to know about it.