The article laments the loss of oral languages as if this was a modern phenomenon. Oral languages were always being lost, for the simple reason that they drift. It's doubtful an oral language would be intelligible to its descendants after only a century or two. Writing slows this down a lot, but what really slowed it down was the advent of the printing press. It's still drifting. New words like "sexting" appear, and…
With the internet it's just that we're drifting more and more towards English.