How about the hundreds of other times he crashed and walked away?
If you understood the incident the cage didn’t have much to do with the cause of death. The forces his body went through from the impact are what killed him. Not becasue he was smooshed like a bug from an improper cage.
infact Ill save you a google search:
“These (factors) included the uncommon severity and trajectory of the car’s impact with the wall, an immediately prior collision with (Ken Schrader’s car) that put him out of position, and a separation of the left lap belt under load that allowed greater motion within the car,” Raddin said.