Just had a Michelin LT265/70R17E LTX M/S2 throw the tread off. Did $2200 worth of damage to my truck. In looking at all 4 tires the sidewalls were badly cracked and the tread edges were dry rotted. Tires were 3 years old, 30,000 miles on them. I replaced all 4. Shop tossed out the tire that blew the tread despite me asking them not to so little chance of putting a claim in with my Michelin. I do still have 1 of the tires kept as a spare but I assume all Michelin will do is pro-rate it towards a new one. Hardly worth it. I'm out the $500 deductible.
Michelin has a recall on some M/S2's for this exact problem but my tires were not part of that recall.