I seen people online who had fee waivers from T14 but were way below both medians. Personally, I think there is truth to both statements. They send it to all those with the stats they want and they send a few to others to boost their rejection #s.
Duke gave me a fee waiver (seen on LSAC application ... about it.
Other unsolicited fee waivers: UCLA, Notre Dame, Michigan ...
Apparently Georgetown sent out fee waivers as well to some ...