Thank you for setting that straight. The more I read through the answer, the more ludicrous it became.
This helps you build up an immune system that is skeptical. If most wrong answers were removed/flagged/hidden then the remaining wrong but unflagged would be even more a problem.
And unlike stackoverflow, there’s not really any good reason for anyone to think a top-level comment is somehow authoritative, especially because the best comments on HN tend to be replies
Good for debate and free speech in general, but bad for your grasp of the facts in the case every time there don't happen to be any corrective replies.
Hard to weighs pros vs cons.
(ObSillyPun: Naah, just put them on the scales! But remember that a lighter pro will often beat a heavier con anyway!)