It also enabled the users of the site to filter out spamming, actual malicious shilling, and bad content, such as child ludes.
You must be talking about a different site, it did literally none of those. Tallest_Skil is a good example, people of his ilk didn't last 2 weeks here because their points got nuked and their alts banned for vote manipulation.
You can't detect and vote against faggotry like that as a user.
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