"Saboteur," Bee snarks right back. "Thinking on my feet is in my job description."

Maybe he should be wary. Problem is, his former profession isn't really a secret. Starscream can find this out easily enough on his own. What it gives away, however, is that he is not to be underestimated. In the end, most do, regardless. Maybe it's from being a minibot. Who knows.