Mayayana wrote:
[...]

You set up Windows and the first question is what
language do you want. Why maintain language support
for hundreds of other languages after that choice is
made? It's not as though you might wake
up one day speaking Swahili.

Well, theoretically, Windows is a multi-user system, so ... :-)

But seriously, in The Old Days (TM) on our Real UNIX (TM) systems,
simultaneous multi-language support was often essential.