I’ve wondered the same thing. Differences are to be expected, but some getting about double the mileage - 44,000 vs 22,000, let’s say - seems hard to account for with just varying road surfaces or driving styles.
Yeah I drive pretty conservatively, try to get the most bang/buck mileage wise and was pretty upset when I found out they wouldn't rotate them because they were so low on tread already. Dunno if they failed to actually rotate them when I'd taken it in for routine maintenance or what (my local dealer sucks...). Will probably pick up those tires from Costco unless anyone thinks they aren't good ones.
If you are like most of the rest of us, you have varying degrees of "curb rash" on your wheels. Just make note of one of them (I've got some red curb paint on one of mine) and see if it's in the same spot when the dealer is done with it. If it didn't wind up in another position, then you know they didn't rotate.
You probably realize this, but rotating the tires does not reduce wear. It just helps to balance wear so all the tires wear out evenly. Failure to rotate cannot be a 'cause' for your tires wearing out at 22,000 miles. This same topic was discussed here: https://www.insideevsforum.com/community/index.php?threads/tires-wearing-fast.10250/ There were some theories put forth there too.
Everybody's situation is different, but I "enjoy" doing my own tire rotations every 10,000 miles. Lets me look at things behind the wheels and ensure the lugs nuts are not over- or under-tightened using a torque wrench. But no doubt doing so is not convenient or worth it for others.
Tire issues..... My 2018 Clarity has 32,000 miles on it. Two of the OEM Michelins, energy saver 235x45x18's, had to be replaced at 20,000 miles due to nails. I can't blame Michelin for that. When I brought the vehicle in for tire rotation this week, I was told the remaining two original tires are finished and need replacement in the next few weeks. The tires have been rotated regularly and are evenly worn. Sorry, I've had Michelins for many years and that's just not acceptable to me. I'm a big fan of their tires, and have gotten over 50,000 miles on their tires in the past. Their tires are costly, but have historically performed well. Michelin's website says the tires are good for 55,000 miles. Sure enough, I called Michelin at 866-866-6605 and they recorded the case information. After Michelin had a conversation with the tire retailer, they offered 30% towards new tires. Michelin was great to deal with and didn't cause a fuss. I suspect they are aware of the issues with this tire/vehicle combination.
