Giving this a second though, I could now say there is realy nothing left for the Alliance to claim in Cayman (Allthought I thought a Coalition vs Alliance could've happened in O-49), but this brought something else up which many requested...
The Pirate Haven thing a system full of Pirates and unlawfuls, with this thought I also came to realize:
Aren't these ships looking like crippled Pirate ships already? I could think that the RoS shipline could be used as "Sirius Unlawful" because there realy isn't any Sirius Unlawful Snubs but only Transports and Feighters.
I could think that Hackers could also have access to it due to "Sirius Unlawful", but officially the Pirates from that System would be using it, as a Shipline. Stolen from BW tech and designed a Sirius Unlawful ship would realy seem a good idea.
Not to mention with the new Pirate ID you are kinda limited in many ways, as example the Rogues don't let pirates dock on their bases (Last I remember Pirate ID got FR5 from Rogue bases), but not only rogues. So I thought a System full of Sirius Unlawful / Pirates which would have these Snubs as Sirius Unlawful ships.