Why youtube Removed Facebook Share Button?

Google seems to have acted against facebook after facebook declared their mail service. Apparantly Youtube has removed Facebook share button from their Share links. It's quite amusing to see Google eat some sour grapes for change

Our Guess is that Millions of Videos are being shared everyday from youtube on Facebook, and this might affect youtube's traffic at the end of Day who Knows if Facebook suddenly starts thinking about their own video sharing website. they already have the user base and lots of videos uploaded by users. all they need is a page where they can show all the public videos to it's users.

How to Share Youtube Videos on Facebook

Update :  Youtube still does have facebook share button but for that you have to first Login and then connect your account with your facebook account to share the videos.

Please see the screenshot above which we took after loggin on to our youtube account. This kills the whole concept of Web 2.0 and free content. what are your views on this?