Also, to save foolish pedestrians who jump in front of your car without looking, irresponsible bikers who swerve in and out of traffic and road lanes (who act like dons but suddenly become "ghareeb admi" when they damage/scratch your car), animals who come on the roads, etc.
Having the capability to safely take sharp turns without rolling over or skidding uncontrollably is paramount for your own safety and that of others on the road.