Exactly, but the problem is they often do, for me it is a malaise that affects not just political thinking but religious thinking as well. I believe at our base nature, we are good; however then some ism comes along and tell us how we should be good, and then all hell (pardon the pun) breaks loose.
I think you're right on the devil's advocate theory, and I believe he chose that particular subject because he feels an affinity with the rest of @falkvinge's philosophies so felt like he had to argue a reasonable case.
I'm imagining he's regretting that standpoint at the moment though.
Let's hope he is feeling a lot of regret over his poor choice/s. Perhaps he won't advocate for the devil again any time soon. :p