Urgh, it pains me that so many #YouTube creators and even bigger publishers (who should know better) actually embed the subtitles on the video instead of using YouTube's subtitle feature.
Like, if you add the subtitles properly - then it keeps the source video clean, the #subtitles can be community translated, or read by a web browser as text so they can be machine translated or copied and pasted.
Embedding subtitles sucks. And if you are a content creator, plz stop.