What it sounds like to you is a misunderstanding of the content of the message. There is still no claim this is the first time Sigma-15 has been discovered.
The message could publicly announce the existence of New York, it doesn't make a difference, it's RP propaganda. Nothing in the posts suggests retroactive RP either, or to that matter anything ooRP. It's quite clearly GMG inRP saying it claims the two systems regardless of what is or is not already in them. You shouldn't treat this ooRPly.
Oh, I want to add that in no way did I expect the post to go unchallenged inRP by the Rheinland government, Core, or perhaps even to go without a talking to from the Bundschuh.
![[Image: stDvDRX.jpg]](https://i.imgur.com/stDvDRX.jpg)