How would you feel if you are the last human being on earth whom you know only speaks your language? No one else in this world does.
Wouldn't that be almost as good as mute? And every so often the 6000 languages in this world, are losing their place in the modern society. So each week maybe one elder from a tribe lose his language because they are unable to pass down to the young.

What is happening to the world? Convergence and convenience.