I was under the impression that ticking a language under the DF didn't mean that you actually were fluent in the language, but rather that you accepted playing with people of that language. Hence why I select them all. For a standard roulette, communication is rarely an issue.

Also, for an odd reason, I'm a quebecer (meaning French is my native language) and my past MMO experiences, as a whole, were always the least enjoyable with french-speaking people for some reason... I'm not drawing conclusions but that is my past experience over a dozen years of playing FFXI, Aion and FFXIV.