I agree with the rest, but it's not that unusual to get several points without comments. (e.g. as an extreme case: I recently submitted one that made it to 50

I agree with the rest, but it's not that unusual to get several points without comments. (e.g. as an extreme case: I recently submitted one that made it to 50 before the first comment, and dropped off the front page at ~60 with just that comment.)