Page "Internationalization and localization" Paragraph 63

Finally, sales, marketing and technical support must also facilitate their own operations in the new languages, in order to support customers for the localized products.

Particularly for relatively small language populations, it may thus never be economically viable to offer a localized product.

Even where large language populations could justify localization for a given product, and a product's internal structure already permits localization, a given software developer / publisher may lack the size and sophistication to manage the ancillary functions associated with operating in multiple locales.

For example, Microsoft Windows 7 has 96 language packs available.