So your source is an article that was released 1-2 weeks after the RT came out! I sure if you have a legit keyboard problem MS will take care of you.Haha I'm not sure you can say non existent
Surface users report Touch Cover splits and audio issues | The Verge
Plus for type cover people it stops the feeling of clicky keys on the back
How about that! A solution for a non-existent problem. lol