Potentially lessors know there is no market for them if CX gives up the frames so they gave them an offer too good to refuse.
There will be bargains for some savvy airlines. After 9/11 Qantas bought a lot of 737s that were on AAs order book at a good price allowing them to grow to take up the demand created by Ansetts demise. Pretty sure history will repeat itself in some part of the world.