[estimator7292]

Zero percent of users require 100 percent of languages at all times.

[SkiFire13]

Sure, let's go back to the old days where you had to download language packs for windows and office.

[Dylan16807]

The alternative would be the installer only installing the languages that match the system settings. Which yes is imperfect, but not nearly as bad as separate downloads or god forbid the two tier base language and modification pack system Microsoft came up with.