I believe that the parent and grandparent should be the first two comments someone reads when visiting this article on the "Best" setting.

Here is the current open thread on Slate Star Codex if you want to vote with your feet to move NRx comments over there. I link so that Yvain doesn't have to :-)

Please do not upvote my comment here or comment in response if you agree. Instead, please vote on other comments to express agreement, so as to bring about the suggested outcome.