Possibly.
Although there are people who are really just that weird.
To say that people should be enslaved is trolling if you ask me.
It seems like trolling because of how foreign it is.
Besides, you two might have different ideas of what it means to be enslaved.
In any event, he might be a troll, but it's not like there aren't real weirdos out there who actually believe that kind of stuff. Of course they don't usually say it and attach their name to it, as it is dismissed out of hand. They'll say other stuff instead, and lead up to that point.
His posts could very well be an attempt at parody.
Oops: forgot to hit that button. Signed, Mithrandylan.