Job 32-34

He punishes them for their wickedness
   where everyone can see them,
because they turned from following him
   and had no regard for any of his ways. (Job 34:26-27)

Again this is an oversimplified view of the way God's justice works. Does God punish persons for their wickedness, so everyone can see them? Yes, sometimes God does so, but not every time. At times persons are punished secretly. At times persons' punishments are delayed, so it appears they go unpunished.