I think the known construction only required access to his public writings posted to silkroad, google, and patience. He posted uncommon unique phrases to both

I think the known construction only required access to his public writings posted to silkroad, google, and patience. He posted uncommon unique phrases to both the silkroad as well as public websites using accounts linked to his real identity. If anything I think it shows quite a bit of incompetence that it took so long to figure out his real identity.