He didn't seem hurt from it physically, just mentally messed up from it. He's an iOS dev so maybe he had a Macbook out. Don't know the neighborhood. I've heard that the city limits can be risky, there is a big policy demarcation between "Buenos Aires autonomous district" and the surrounding Buenos Aires Province. I wouldn't be too discouraged from going though as a foreigner not carrying much, and the crime rate has reduced since then (robberies down 20% from 2016-2022).
https://www.courthousenews.com/argentines-feeling-unsafe-des...