But there are very few people, none in fact, who have even one percent of the computing power of the NSA.
citation needed
http://www.informationweek.com/architecture/nsa-building-$8965-million-supercomputing-center/d/d-id/1097313
One percent of $896.5 million is roughly $9 million.
They have much more than that.
Do you know any people with even $9 million computers loaded with code breaking software?
The point is that the person defending the NSA was offering a false gift, a Trojan horse. Is the NSA secretly trying to help the public learn math? No. That is zero percent of their motive, though a few people may learn a little math by trying to break btc.