For Aitken's biggest critics, I think the thing that you need to remember is that he's f**king 22 years old. He has made leaps and bounds in his game over the last 12 months, and he's still a baby.
Does he struggle passing left to right? Sure, but he has so much time to improve, and he's already improving.
Does he have defensive deficiencies? He used to, but he's improved tenfold over the last year and has all but fixed that part of his game.
He's a powerhouse. Quick off the mark, solid footwork to beat his opposite number, strong out of dummy half and virtually unstoppable 10 out from the line. He's a good centre, and has the potential to be a great one.