Kuhmo Tire Problems?

F Y I has anyone bought new kuhmo tire lately especially in the 18" sizes? if so check them. i have had 2 buddies now that bought their tires from diff. places and both had the tread come off a couple of them within a couple hundred miles. that shit isnt good on paint! they are replaceing them for free but has to put in a claim for the damage! just wanted to warn people in case this is more spread then cali!