Originally Posted by
elitetraveler
A simplistic explanation.
While I think using them is wrong, hard to determine that there is any financial damage to the hotel.
Huh? I work for a large corporation with one of these codes; I can legitimately use it. Why would someone who doesn't work for one of these companies be able to use it?
The obvious financial damage done to the hotel is that illegitimate users of these codes are paying less with more lenient cancelation policies than they otherwise would be.