The late Southafrican jazz musician, Hugh Masekela, said that kids are slowly forgetting their native tongues.
And when a culture loses its language, it dies. Similar stories are coming out of India and China because the global marketplace demands english. If you want to stop it, you have to stop globalization or selling the idea that all things western are the best there are and that other cultures are savage/primitive (obviously, never going to happen). European culture was directly tied to Christianity but now that it is post-Christian, there is a loss of identity/ culture and the ensuing grappling about.