A few older videos got flagged recently too. Here is the full list. Used to just be the two with 'Fuck' in the title, and Carkour (For some reason).pic.twitter.com/XupVZ0XE3D
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If you want to discuss video-specific performance, we would recommend you to reach out to our Creator Support team: https://goo.gl/BxLi8H . They can dive into the details with you.
Has it occured to you that it hasn't reached that threshold because it's an older video? Just because it hasn't gained 1,000 views in a week doesn't mean it should just be ignored, especially when it's received a considerable amount of views previously.
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