2011 LINCOLN MKZ Tires Problems

THE TREAD SEPARATED FROM THE TIRE BODY ON A REPLACEMENT FIRESTONE TIRE. THE REPLACEMENT WAS MADE BY FIRESTONE BECAUSE OF A RECALL FOR THE SAME PROBLEM. THE TIRE HAD SEVERAL THOUSAND MILES ON IT SINCE IT WAS REPLACED. THE TREAD STARTED SEPARATING SEVERAL WEEKS BEFORE WE HAD IT REPLACED WITH A GOODYEAR TIRE.

I PURCHASED A 2011 LINCOLN MKZ ON 11/5/2012, IT HAD 13,593 MILES ON IT. DURING MY LAST OIL CHANGE, ON7/28/15, AT 37,440MI, I WAS INFORMED THAT I HAD CRACKS AND IN ALL OF THE TIRE WALLS AND WOULD NEED TO REPLACE ALL 4 TIRES IMMEDIATELY.I BOUGHT THE CAR AT THE DEALER THAT WAS DOING THE OIL CHANGE. WHEN I ARGUED THAT THE TIRE WARRANTY GUIDE THAT CAME WITH THE CAR INDICATED THAT THE TIRES WERE GOOD FOR 60K, I WAS TOLD THAT IT WAS MY FAULT THAT THE SIDEWALLS HAD CRACKS, BECAUSE I HAD NOT ROTATED THE TIRES ON A REGULAR BASIS. SO I ASSUMED THAT IT WAS MY FAULT, AND REPLACED MY TIRES ($700). TODAY, WHILE CHECKING A DIFFERENT RECALL, I SAW THE OTHER TIRE COMPLAINT ABOUT MICHELIN'S AND 2011 MKZ'S AND REALIZED IT WAS NOT MY FAULT. I DON'T KNOW IF THE DEALER KNEW ABOUT THIS-I THOUGHT THEY...