This is interesting.
1. Perhaps it is an ego boost - so what? All mac says is: tell me wat u think.
2. He's clearly not small, but it's often difficult to tell true cock size from close-up photos ... (a) there's no sense of scale, as in an overall body shot, and (b) camera angle can be (and often is) used to distort perspective to 'dick size' advantage.
3. So? It's definitely an OK tool, but certainly not XL by LPSG standards. Or even large, bearing in minds the problems of (2) ... I'll go for average+large.