Souvenirs thrown into the stands are for children. This is relatively well-known, and yet there are still scenes like this man ripping a towel thrown by Svetlana Kuznetsova from the hands of two adolescents.
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Since these kids are a bit older than the usual victims, it is tempting to say the towel might have been fair play, but they are still safely within the "don't get into a physical altercation with children" age range.
The thing that makes this all feel extra awful is how nice this guy is dressed. He looks like the evil businessman from a Disney Channel movie, putting on expensive suits while making children sad.