there is plenty of use for old clothing, including cleaning... the whole place was about fabrication of scrolls and faik it was a holy activity to write them, and then they wrapped them into worn clothes ? errr... maybe something was written on the fabric ? its easier to write on linen then on wool... why was linen so much more expensive ? labour intensity probably wasnt an issue in qumran, but maybe they didnt have sheeps there, but the plants for linen...
Syrian official: Amount of damage at Palmyra temple unclear (AP)
from the article: Overlooked relics may help unearth Dead Sea Scrolls' authors