What was so especially "wicked" about Niniveh that Jonah would have to go there?
Were they wicked in that they worshiped different god(s)? This is pretty much what every other country did.
Were they wicked in that they had high crime and murder rates?
Were they wicked in that they instituted high taxes?
Actually I am looking for how Niniveh was "different". For example, violent people, as we know, are common in all societies. So I wonder if they were unusually violent (i.e., if that was the issue).
What was it that set them apart in their wickedness?