I don't think he is a loser because of a t-shirt, but working for facebook in the anti porn division seems like an epic fail for someone that likes to hack hw or sw. Yet, the perception of what you do often changes when you dig a little deaper.
I work for the army.
I work for the army anizing violent crime.
I work for the army building tools to help people analize violent crime.
I work for the army building tools to help people analize violent crimes commited by people in the army.
I met him the time that I snuck into the Facebook building, two years ago, right before the F8 conference where the platform launched. He's good at physical security, too, because he tried to kick me out right away. I refused to leave, demanding a tour. Dave Morin got pulled out of a meeting with Mr. Zuckerberg and gave me one. To this day I still think very highly of Morin and Facebook - and the guy in the shirt? Well, I don't think we'll ever be friends, but I do think he's probably good at his job.
You're one of those name-dropping douchebags who likes to go out of his way to post in a thread where he can drop a bunch of names like he's an important person.