Sounds like a design flaw to me.
If a person cannot mechanically open the door, that is a problem!
should have named the dog "Lassie"
Lassie saved everybody
and to answer the OP's question:
you find it incredible. why?
"When Faith preaches Hate, Blessed are the Doubters." - Amin Maalouf
Poor guy was 72 years old and trapped in his car, instead of asking why didn't a seventy-two year old Army vet didn't have the strength to break out of his car window, why didn't he have a phone to call 911 or a friend? Or more importantly, why didn't anyone come to help him out?
The risk I took was calculated but man, am I bad at math.