It's nothing but a show-off. Anyone can learn a few phrases, put some effort into practicing a proper accent and you are good to go! There are thousands of polyglots like him on the net flaunting their prodigious flare for languages while in fact, I can bet my bottom dollar on it, they didn't even try to study any of those. Well, maybe they did, but didn't get any further than picking up some basics just sufficient to put on a chip show.