Have Big O Bigfoots all around on my truck.  One on the rear came apart on the freeway, the entire tread came off and damaged the rear wheel well and quarter panel.  Tires were still under warranty and I even had extended coverage.  Waited for an hour last week to find they didn't have the tire in the store!   Been about a month since the blowout and getting jerked around by their insurance so feeling like I'm SOL on the damages.  Ahhh insurance companies and lawyers what keeps our country great!