I've read enough Tyler Cowen to be relatively confident that it's a positive claim, not a normative one. He isn't judging them, or at least he isn't expressing

I've read enough Tyler Cowen to be relatively confident that it's a positive claim, not a normative one. He isn't judging them, or at least he isn't expressing that judgement. He's simply saying here thinks there's a significant number of young men ill-suited to the available jobs. Now, perhaps you think he's mistaken about that, which is fine, but just calling it sexist doesn't establish that.