Windows will Shut Down Facebook Messenger?

I found this article that Windows will shut down Facebook Messenger and it caught my attention instantly. Even though this article, and the message provided by Facebook does not provide much information, it is still interesting as to why the app will be shutting down for Windows users. The message provided by Facebook is the screen shot below.

I hope more information on this issue will be provided before or prior to the shut down. The article states that the news of the shut down comes three days after a statement had been made that Facebook and Windows were working together to make Facebook Messenger accessible to Windows users and not just Android and Apple users. 

http://thenextweb.com/facebook/2014/02/26/facebook-messenger-windows-will-shut-march-3/#!xKp0n