One of my subs got hit by the 0.3% and it really seems like @TeamYouTube specifically went out of their way to pick the worst possible thumbnails for these clipspic.twitter.com/OMKHqnfFGt
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For some ungodly unfathomable reason, YouTube is conducting an "experiment" in which 0.3% of users can't see custom thumbnails for videos, and instead they see an auto-generated one. So that's what that user sees in Rata's page
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