Is there a name for the phenomenon of when someone provides a single explanation that is so inconsequential that it ends up being counterproductive because surely they would have given a better explanation if one existed?

If your go-to reasoning for why we need prediction markets is so airlines can have more predictability in their fuel costs, you're inadvertently making a solid argument that we don't actually need prediction markets. And this isn't even getting into the other ways these airlines could satisfy the same need.