kuznetsova went to net, but sharaova took a long time at the back of the court. In fairness, kuznetsova doesnt have to stand there all day waiting. In fact she made the effort to come round the net to shake which was fine, no big incident.
Personally, I like to see a player shake first and celebrate second. Most players know that it feels bad to lose and should consider the feelings of their opponents, before enjoying their victory. Just MO