Trending isn't personalized but, depends on factors like View count, rate of growth and so on. Trending features a broad range of videos that are popular on YouTube right now. More info: https://goo.gl/vMR2pZ . Hope it helps.
@TeamYouTube @YouTube
How is this the only thing trending in gaming? With 185k views?!pic.twitter.com/UCu3w7dQnr
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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