Community wiki questions often behave the same way: The first relatively good answer will be far above the other in votes. Human nature being as it is, if viewing a community wiki with the default sort by votes (as navigating trilogy sites regular questions pretty much requires setting that default), users will agree with the first few items and scroll down and not visit latter (and potentially better) answers.
My point is: that by force of human nature, in a community wiki question, the first answers in time are the first answers in votes.
There is a perverse effect here, and perhaps there is a way to resolve it. I propose either a default randomisation of answer order or default sort by newest on opening a Community wiki question.
EDIT: By no means is this a request to remove sorting by votes. I don't know how some people read that, but I'm simply suggesting a different default sorting on opening.