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by jefftk
1574 days ago
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I can't speak for Google, and I don't work in that part of ads, but my understanding is it's primarily because of how adversarial fraud detection is. If you give people who violate policy detailed information about what they did wrong and how you know then it is much easier for them to figure out how to abuse the system without getting caught. I don't like it, but I also don't know how to fix it. |
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I don't really buy this.
The most effective adversaries already have a deep understanding of detection mechanisms and are typically just tweaking parameters to find thresholds of detection. Other companies mitigate this by delaying bans and doing "ban waves", or even randomizing the thresholds (I have done both for certain types of automated bans for attacks on my systems).
More to the point, adversaries already know what they did wrong so telling them isn't going to make much difference. False positives do not know what they did wrong and telling them will make a tremendous difference.
Full disclosure: I have been the victim of a false positive flag in that my app with over 50M downloads on google play was removed and then reinstated when my reddit complaint post got human attention (thank g̶o̶d Google).