I really appreciate that Valve seems to be ethical about the way they’re going about this, at least so far. I haven’t heard any bad news nor does it raise any “extend embrace extinguish” alarms. Rare for a company these days…

From the documentation, it appears that the country codes are for localization presumbly of the names of the genders.

Edit: Ah, others already said this (didn’t refresh and kbin doesn’t update this automatically). Refer to above.