Originally Posted by
Adam Smith
I've never seen such a reasonable option, but I would suggest that a sensible filter would exclude the option of Lowest on this itinerary and only show the Flexible price. If it's 3%, 4%, 12%, etc, don't insult my intelligence and waste my time with it.
I'm not trying to misquote you here, so much as summarize your reasonable position into a short version I would support wholeheartedly.
...though at that point we're talking about a level of complexity we both know AC IT can't deliver.