Of course, we should always encourage ourselves and others to learn foreign languages, even if only to dabble.
Unfortunately, this is just gimmick, and bad gimmick at that. Compare to a completely normalised (and far more impressive!!) display of Chinese-language skill. It's implied that they're mostly housewives: http://www.youtube.com/watch?v=U5na5nHZsww#t=5m30s