Seeing your neighbor unconscious on the ground at 2:30 in the morning, would be enough to make anyone a little less coherent.
I think the man was fine. The phone kept cutting out and the 911 operator had trouble hearing him. At least he called in the emergency and stayed on the line for the operator.
I'm not surprised that PC has infected your mind to the degree you can not recognize the difference between natural responses under stress and the inability to make a clear declaratory statement or give a straight answer to question from the 911 operator .