People don't want to die. They'll find a way break out of their houses before starving to death and they'll look for food. It's hard to defend against that at t

People don't want to die. They'll find a way break out of their houses before starving to death and they'll look for food. It's hard to defend against that at the scale of a city the size of Shanghai. If the government is smart they'll let people out in a controlled way but if I were in Shanghai I won't bet my life on that. Of course it's a matter of timing. If you get out to early you'll be nearly alone and you could fail or worse. If you a too much misplaced trust you die at home.