How can that be, when China is in Tibet? A defensive posture would have kept the PLA in Gansu, Qing Hai and Szechuan.
As far as the inner thoughts of Indians on this forum are concerned, this is far from a representative group of Indians. Drawing from the thoughts and sentiments expressed by them is laughable. The fact remains; China is present far from its ethnic centre, in a land that was considered alien to the empire even as late as the Ming Dynasty, and that was doctrinally brought into the scope of the imperial rule only under an exceptionally aggressive Qing Emperor.
So let us not deal in the false coin of China's peaceful intentions. It has none.