The reason quoted is that Hindi, though a very large language, has only 1,500 entries in it and they want more contribution from Hindi language writers as they have realized the importance of Hindi.
I guess it is the right time to learn this language and benefit from it.
Samirathi, a freelance technical writer, helps and advises people to learn Hindi – the fourth most spoken language in the world. You can reach him through ‘contact us’ form at : http://www.hindilearner.com/. online collaboration