Originally Posted by
Asuka
They are not difficult to use, you just need to know how to use them within United's system.
Just like the company on US late TV "We buy unused gift cards and send you cash"
Know the system and you can redeem

It's easy to know the system if you're a FTer, but for the average traveler, it is difficult to use, and I'm not so certain that's not by design.