From the context, it looks like that particular snippet was posted as a counter to the notion that researchers should be concerned about false accusations happening due to the possibility of their work being misconstrued as the activities of a black hat hacker.
To post that as if to dismiss those concerns, is definitely tending toward the tone that piiie is talking about. While you are right to point out the word "accusation" is used, not guilt, the tone still comes through when you consider the context.
i thought it was pretty clear