This is because the video is in Restricted mode which works on browser and device level. To disable it, please see here: https://goo.gl/2bHK9q . Hope this clarifies!
@TeamYouTube how can I disable this? I never changed any settings for my account. This only happens on my PS4pic.twitter.com/XsZzII0950
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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