I think its important to not confuse a couple of important concepts. A purse was left on the floor, unattended, and a opportunistic thief snatched the purse and left the scene. Yes, if you leave your purse out of your sight in many large cities (not only Buenos Aires), you are taking a risk, but Im not sure this alone is enough to brand EZE as unsafe. Be cautious, use common sense, and you will be fine.

On a side note, I think this is a huge embarrasment to the Secret Service Agents that were part of the escort, but also for the local police that should have had at least a pair of officers escorting the SS around. After this blunder by all the security people involved, the Buenos Aires city government has announced that they will provide more manpower to escort Ms. Bush during the remainder of her visit.