Apparantly, these people felt it was their obligation (as comrades in good standing) to continue the struggle against the capitalist dogs of the United States in even the most moronic and obviously suicidal manner. To slow down would have been viewed by all good communists as an act of capitulation.
I repeat my original post: Duh!
These Communists must assume Americans are stupid.
They want you to believe that the driver was in compliance with the regulations, and the soldiers fired on the car without provocation. But why would the soldiers do that? What would they have to gain by creating an international incident?