[No it isn't. Because even if Pepper really is blameless, it's hard not to want to apologize for everything Billy's gone through anyway. He's just a kid, as he himself says so perfectly moments later, regardless of his abilities or the role he plays.

He's still just a kid, and someone should apologize for what's happened.]

Most people don't know that even at my age. [She smiles weakly as she shakes her head. And it only gets worse in a way, when Billy describes the Tony he knows. That man is not her Tony, the person she's in love with, but Pepper can still hear his voice saying words from years ago, when she had been ready to walk away from him out of fear he'd be killing himself.]

That might turn out to be a universal trait. For as off-putting as his attitude can be sometimes, Tony's surprisingly charismatic too.