You just caused the mods to remove a useful piece of information from the title.
Pluralization in an article like this implies a "few". The word eight tells us that there are more than a few. Eight is also not round, so it tells us that the author didn't stretch to get 10 in the style of those articles you disparage.
Mods routinely remove arbitrary numbers from titles, because HN's guidelines exclude them as a bait device. This rule has served the site well over the years. Yes, there are borderline cases, but surprisingly few.
Pluralization in an article like this implies a "few". The word eight tells us that there are more than a few. Eight is also not round, so it tells us that the author didn't stretch to get 10 in the style of those articles you disparage.