What makes this the Galileo Gambit is that the absurdity factor is being turned into alleged support (by affective association with the positive benefits of air travel and frequent flier miles) rather than just being neutralized. Contrast to http://lesswrong.com/lw/j1/stranger_than_history/ where absurdity is being pointed out as a fallible heuristic but not being associated with positives.
What makes this the Galileo Gambit is that the absurdity factor is being turned into alleged support (by affective association with the positive benefits of air travel and frequent flier miles) rather than just being neutralized. Contrast to http://lesswrong.com/lw/j1/stranger_than_history/ where absurdity is being pointed out as a fallible heuristic but not being associated with positives.