This is why I think all video content should have auto generated transcripts for various reasons; subtitles, auto translations, but more importantly index- and searchability.

You can't expect anyone to view 20 million videos a day to find trends in current day video discourse. In theory machines could do it, but it costs a fortune. But 20 million text transcripts? That's doable on someone's local machine.

>subtitles, auto translations, but more importantly index- and searchability.

Google has this all for themselves, but they don't seem to give anyone else the ability to access the data easily so the last two points are a yes for them and a no for you.