In Bangladesh, we had scrawny little chickens that you'd buy live at the market. When we moved to the U.S. I couldn't eat chicken for 6-9 months because it just tasted so bland and flavorless.
My wife, from South Korea, also grew up with non-U.S. chickens and also likes dark meat. She'll pretty much refuse to eat white meat unless there's no other option.
Now that my tastes have grown and become more sophisticated, I have a strong preference for dark meat now and I love to cook with it. I had a chicken breast sandwich recently, for the first time in years, and almost didn't finish it it was so dry and bland.