This article is not great. You can see from a link that somebody else had previously named Sassaman, but there's no discussion of that. No discussion of why Hoback suspects Sassaman (although, probably too early for that). No mention of Hoback pretty convincingly naming Q in QAnon: Into the Storm.
Also it uses "cyberpunk" in place of "cypherpunk" at one point
I'd categorize a cypherpunk as a very specific form a cyberpunk, so to me that's normal journalistic form to use both terms at some point in an article.
Also it uses "cyberpunk" in place of "cypherpunk" at one point