While I have some doubts about the abilities of the poster of the ad, why are you encouraging people to judge him based on his appearance?
In what possible way is 'send us the coolest "hello world" you've got, and we'll critique your style' not an invitation to judge by appearance?
now think: how often do you see a job posting make the first page of HN? (one might say their prime sort of recruitment site...)
I'm going with calling them savvy :)
I wasn't specifically intending to make fun of the guy's appearance; he looks like a normal 20-something, doesn't look overweight, does look like he shaves regularly, does look like he gets sunlight, etc; it was just that after I tracked the guy down I was disappointed that he wasn't actually wearing a ninja mask in his picture (or whatever).