By means of Vipassana bhavana, the mind ceases to wander. At this moment, there are no thoughts of aggression, lust or breaking the precepts. No unwholesome courses of action will be taken.
Mind control leads to physical and verbal control.
So the society will not suffer from this practice. Instead, such a practice of one person will permeate through the society as the latter realises the advantages of such a practice on its own accord or on the exhortation of the yogi. Thus, the society will benefit from this practice. The society will begin to support such a practice. By being able to control the physical and verbal actions, social culture will be improved.