<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by B747-437B:
Rest assured they do.
I'll reserve comment about the accuracy of the rest of the story, but that part does happen.
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It came up in the US Airways and MilesBuzz threads when a journalist wrote some column complaining about service he got and they went back into the files to make their own comments about some of his outlandish behaviour in previous years. FT Miles is down for maintenance right now or I'd go find a link.