No. It is the perfect time t20 retirement after winning the world cup. People have questioned them if SA would have won.I don't know but people say Gambhir is the reason behind the retirement of 'Rohit, Virat and Jadeja'
They are 36/37 years of age, so little bit of rest can enable them to play ipl for next 2-3 seasons. I don't expect them to play further.
About GG, he will disturb the atmosphere of the dressing room with his dictatorship. All players selected to play at national team level just need motivation nothing coach is required.