Side/window Air Bag problems of the 2008 GMC Sierra 2500

A year or so after recievinv my airbag recall service, my dash started cracking. It started at the passenger side airbag. It is now cracked in other places and rattles constantly while in motion. I feel this is a safety hazard. I've yet to see a GMC/chevy from 2007. 5-14 that this is not a problem. It seems that the dash pieces could cause serious injury/death if not fixed. Gm will not fix the problem on their end with out the consumer paying $450-750. They said that was the replacement cost with the exact same dash. That dash would most likely crack as well. Why has gm not been held accountable? will people have to become injured/dead before the problem is fixed? pictures can be sent on request.