Discrimination of VKontakte users

The risk of being merged, but I can no longer keep to myself.
What is the meaning of discrimination share-buttons VKontakte?
What's on Habré, what's on Dirt ... There are only Facebook and Twitter buttons.

I want to give you statistics on transitions from social networks in RuNet:


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About the fact that VKontakte is not the audience I don’t want to hear.
If you are surrounded by one shkolota and inadequate there, look in the mirror.

Dear friends, stop show off :)

UPD: for those who do not believe the schedule - see .
VKontakte - 313.000.000
Facebook - 11.000.000
Twitter - 6.700.000