2006 Honda Civic tires problems

2006 honda sedan going 70 MPH on interstate hit a roadside post head on airbags did not deploy, left rear tire torn off by edge of pavement car spun to right, rolled on driver's side then roof, slid down highway. No side airbags deployed. Driver had head neck and back injuries , front passenger had abdominal injuries, car had new rear tires 24 hours old, had been maintained by dealer with and oil change and inspection 24 hrs before the accident, car support posts were worn through roof had begun to buckle front of…

1. I own a 2006 honda civic hybrid which has had its tires replaced at least 3 times due to uneven wear. 2. The first event occurred when the tire itself just exploded because the inner walls of the tire were so thin and worn only after 10k miles?? This continued at 15k and again at 20k and now again. The dealership replaced it once but now is refusing to do anything about it. 3. The first time it occurred a local honda dealer auto repair dept.