On a recent BA flight I noticed the cabin crew scooping up and stuffing as much white company bedding as possible into the overhead lockers before landing as though they were gold tokens from the crystal dome.
I noticed a bunch of said bedding listed on eBay the other day and I suppose that's where the rest of the blankets end up....
It would be really interesting to hear the perspective of any BA staff who might have been faced with customers helping themselves to bedding or other such items...!