Cupping wear appeared on mine around 40k. Dealer insisted it was an alignment problem. We found a local, independent front end specialist. His remark was, “the factory spec has too much toe in”. He did a 4-wheel alignment to his specifications and no problems since. Drives straight, no wiggle or...
FYI, we have a 2020 Gladiator, 3.6 gas, and at last tire rotation found odd, cupping, wear on front tires. Running OEM tires, and Dis. Tire recommended a front end check. Dealer immediately wanted to do an alignment. Found a local shop, alignment specialist, and they had a different diagnosis...