The NSA/CIA/etc. is precisely why this won't happen, for the same reason the same are launching no wide-scale attacks to take down Tor - the guys in suits doing questionable government things need anonymity too.
Bingo. I’ve always thought it was the NSA, CIA, or maybe UK or Israel but I doubt the latter two. Especially since Satoshi’s wallet is so large and hasn’t moved.
Bitcoin has to make it much easier for 3 letter type agencies to follow money.