Square-Enix has commented on the depicted race of their characters before though
FF12 was going to have more European looking characters, with Ashe meant to look french.
Even FFXIII has a really caucasian looking guy in the cast now.
When you think about it, it makes sense.
To the Japanese, Europeans in general look highly "exotic". They often borrow symbolism from Europe because it looks foreign and strange to them. Look how often crosses show up in Anime and RPGs. It isn't because they are attempting to be religious, or sacrilegious. The christian church is virtually nonexistant in Japan, to them, it's just something strange and neat looking.
So they simply add European characters, not in an attempt to appear to Americans, but mostly to make the character look exotic to their Japanese audience.