That is just flat wrong........I had a set separate and fly apart on an S-10 pickup and a neighbor down the street had them come apart on a Buick sedan. Firestone investigated and replaced our tires with our choice (we definitely didn't choose Firestone). But after their cost-cutting measures were costing people their lives, Firestone went back to reinforcing their tires and probably have one of the safer tires on the market now. But I will never trust them again.