I believe the urinating soldier thing was proven to be a hoax.
One of the purposes of "art" is to evoke an emotional response. This painting certainly has done that.
Whether it's any good is another story.
I kind of agree with both sides here. Everyone agrees that she should not have been attacked. But we are torn on the concept of responsibility for ones own actions.
It's not a perfect world. The getting in peoples faces during heated times, is an example perhaps of bad judgement. We still need to be conscious of our own decisions, and sometimes the consequences of those decisions is not what we may have anticipated.
On top of that some people like to be controversial to gain attention. Sometimes they get more attention than they bargained for.
Don't have an answer.