NSA isn’t likely to tacitly compromise whatever unknown capabilities they have in order to participate in domestic law enforcement. I’m much more worried about

NSA isn’t likely to tacitly compromise whatever unknown capabilities they have in order to participate in domestic law enforcement. I’m much more worried about ATF-proofing and FBI-proofing the system than NSA-proofing it. Also, to be blunt, 1,000 compute-years is no barrier to the NSA anyway.