I wonder if you got unlucky with tires. Seems some mfgs are playing with new recipes and eco friendly ingredients causing the tires to dramatically miss their

I wonder if you got unlucky with tires. Seems some mfgs are playing with new recipes and eco friendly ingredients causing the tires to dramatically miss their stated lifetime. My last tires were Michelin Defender somethings from Costco and they lasted about half the expected mileage even with regular rotation and proper inflation.