It is when I'm not willing to stand around passively.

[Tarn cocks his head. He would never admit it, but somehow he's found himself strangely endeared to this human.]

You may be a Jedi, Luke, but I'm a Decepticon. Just as I would never ask you to be anything else, I expect that you will respect my beliefs and duties to my own faction. I wouldn't consider that to be a failure.