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Re:Tell HN: Google should drop Quora from search results by ChrisMarshallNY on Sunday November 24, 2019 @04:32PM (#21623578)
Somehow or another, Stack Overflow is able to maintain very high quality threads. I'm not sure if that is because of filtering algorithms, or human moderation (which is more or less crowdsourced).

I have not run into this kind of spam on SO.

There are a lot of "Kool Aid" threads, where folks get heavily invested in a technique or pattern, but those are legit, if somewhat tiresome.

Re:Tell HN: Google should drop Quora from search results by Mauricio_ on Sunday November 24, 2019 @05:00PM (#21623739)
Probably because most SO questions can't be answered with product recommendations.

Also SO is very specific and narrow (programming questions only), while Quora is very broad, so it's probably harder to moderate effectively.

Re:Tell HN: Google should drop Quora from search results by OJFord on Sunday November 24, 2019 @05:42PM (#21623998)
And before someone says 'Stack Exhange is just as broad as Quora' -- all the SE sites I've come across disallow 'product recommendation' questions or whatever similar thing fits their niche.
Re:Tell HN: Google should drop Quora from search results by manigandham on Monday November 25, 2019 @12:05AM (#21625615)
SO has human moderators and a points system to gate functionality, and those points are earned by being useful.

Quora did have a points/credits system in the beginning but they removed it for some reason, and ever since then participation and edits were open to everyone which let the spam take over. They also have a faceless AI-powered moderation system that's often overbearing and wrong.