If there are, the best way to alert the airlines (hotels, banks, credit cards) is to post them on a public forum and then brag extensively. Repeat with multiple copycat blogs.

BD KTM abuse is being shut down (and then some) as we speak. Intraasia DL award value is no more. Intraasia UA is on the way out. There is a long list.
Common sense really - search, find smth that works for you and take advantage of it. Quietly.