That's not what I meant. The interrogation was fine (and quite amusing with the multiple-choice questioning available), it was the massacre in order to do the questioning." and interrogate a Ferengi merchant really doesn't fit with the Trek ethos."
We had seen nastier stuff In The Pale Moonlight, much more nastier.
The killing isn't a detail, it's the core element of the videogame." but a running massacre through Space Station K7, killing hundreds in order to capture"
Like in Star Wars these details do not have to be canon, just the story and the characters.
Canon is what's on screen in live-action Trek. That canon is contradictory to begin with (see: "True Q" versus "The Q and the Grey", "Balance of Terror" vs "Minefield" etc) and thus open to interpretation.
Non-canon materials have inspired canon several times (Uhura and Sulu's first names, Vanguard station in TOS-R and George Kirk are all inventions of Trek novels) but to say "X happened but Y didn't" stikes me as rather pointless.