Hello @TeamYouTube , I would like to know, why are not the thumbnails of the videos on my channel? What happens is that all my videos had thumbnails, and now they are no longer seen.pic.twitter.com/10DKNkIopT
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Why? Why? Why? Auto generated thumbnails are terrible. They will always be terrible. A random screengrab from the video will never compare to a special picture made specifically to get someone's attention. This research is meaningless.