I'm pretty sure I've found bootlegged subtitles that are just machine translations of official subtitles in the original language. And YouTube's speech-to-text

I'm pretty sure I've found bootlegged subtitles that are just machine translations of official subtitles in the original language. And YouTube's speech-to-text automated captioning is actually pretty good with single speakers in English with good audio production, enough so that I often use them to follow along with videos.