All these tires will start making noise at around 7K miles but in your case I would have to agree, they're shot because of the INCORRECT mounting.
Demand new tires.
How many are reversed?
Seriously, you have a real good case for a new set on them
I would call an expert like Tire rack first and confirm that this screw up would indeed thrash the tire or not, you then will have some ammunition to go in with
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