2010 Toyota Prius tires problems

Front tires chipping on the inside and outside. Told to get them rotated and alignment. 6 lug nuts broke off during the rotation and the alignment was not that far off. Told the tires where the wrong ones for that heavy of a vehicle. Took to the dealer and he laughed at me and said they would love to charge me to replace all my lug nuts and those where the right tires for the vehicle and he said I was lucky to get 35,000 miles out of them because everyone else only got 25,000 miles with the tires he then tried to…

Catastrophic failure of sidewall while driving. Did not cause an accident due to low speed at time of failure. No obvious signs of road hazard penetration and/or contact. Product is identified on sidewall as yokohama AWD 833 (did not see in database). In addition to the DOT#, there was another 'serial #' or something on the tire - n5p2210.