He did
I think it's always worth remembering not just what you or we know, but what They know. They - be they Fed/ImpINRA/DW/some shady lot we don't know yet know more than we do. They know what Thargoid tech looks like, They know what's hidden in the Rift, They know what happened to SS1
The Rift stuff is kept deeply secret, the UA stuff is happening in the wide open and noone recognises the tech and the Thargoid situation is tucked away behind some post-war treaty that we're not privy to. They all exist in partial isolation - I'm sure there'll be some cross-talk but these are all different threats not being linked together by those who know more already. The rift threat is referred to as 'worse than the thargoids' and being intentionally hidden in the fed/imp databanks - they wouldn't be letting such public action as the UA mystery point everyone towards it
I floated a Galnet story up to Ian Dingwall at Fdev that implied that the Federation lost knowledge about area like the Rift when Halsey went missing and that her deep psychosis has made recovering such classified info difficult to recover. Frontier passed on my story. A possible meaning: The Federation knows something. Another possibility: my story sucked