Numbers...ya can't sell a product if there aren't any people to buy it....ya can't sell Coke if there aren't any people to drink it....ya can't....well,I think you get my point...
In addition to, the global world does matter to a product 'universally' seen as addressing common stains and messes in everyday cleanup at home or work. It's the World's Most Versatile Cleaning Solution. If the 'world' population didn't matter to North American consumer driven companies, why would you see them expanding their reach . It builds a 'world' brand, because the world is becoming much smaller because of routine global trade amongst majority of countries.