Earlier quoted context omitted.
What he did was equally an act of heroism (in face of Internet history) and stupidity (in face of his own life). Perhaps, he should just have wiped and destroyed the disks, and have it "seemed like a system crash at a bad timing" caused it :)
Isn't it fucked up when someone suggests that someone's life might be at risk because of some data he had (and completely had the right to delete) and it doesn't sound utterly ridiculous? This is now the world we live in.
This guy didn't risk his life. His livelihood perhaps, but not his life.