"Oh come on kid, lighten up," he says with a smirk and turns to look down at the Minibots.

Oh he knew he struck a nerve. That much was obvious. Bumblebee apparently has some issues he needs to work through. But in the end, don't they all?

"If you're going to let the words of an 'enemy' get to you, I'm afraid to see how'd you fair with a friend. A word of advice, never let what others say about you dictate your worth. Because there's always going to be someone out there who dislikes you. As long as you like who you are, what else matters?"

In other words, don't give a shit what other people say.