Normally, anyone needing a wheelchair would be sitting in the wheelchair. The kids damaged the chair, which was childish and dumb, but their action was not directed at a handicapped person who was nowhere to be seen. Could they have done the math, looked around, asked if anyone knew who the chair belonged to? Yes. Instead, they acted impulsively and should be punished for property damage, along with a lesson in using their brains. But they didn't target anyone nor act with malicious intent towards anyone. I get the anger; I don't get the moral outrage.