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As the network grew, unpoliced, an increasing number of naked hairy men joined in leading to an exodus of other users.
As legitimate users fled, the relative noise on the platform increased further leading to a feedback loop that saw the site lose traction at nearly the skyrocketing pace that it had gained it.
Solution: Few systems have succeeded in scaling quality. Monitoring and user privileges were scaled slowly at Wikipedia.
Incorrect Wikipedia articles demonstrate the vulnerability of a user-created platform as much as the volume of the correct ones demonstrate the strength.
The problem of incorrect articles (noise) increases as networks scale as policing these platforms becomes more complicated with scale.
Platforms like Quora, which do not curate access need extremely sophisticated curation of contributions to scale well and not set the reverse feedback loop in motion.
Wikipedia demonstrates that any online platform is open to abuse.