[pipermerriam]

An invalid digital signature is a pretty strong indication that it is the fake. I'd consider this poor journalism as it gives this letter credibility that it doesn't deserve.

My statement was merely to try and point out that one of his quoted sources is likely a fabrication.

[Dylan16807]

Sure, likely a fabrication, but it's being used as a way to explain the schools of thought, not as an actual source of anything.

[stale2002]

The fake signature may have been done on purpose.

There was another interview with someone who claimed to be the hacker, and that's what he said.