> If you are too slow at reading subtitles, you can either slow down the video or train yourself to read faster. Or you can just disable the subtitles.

And what are deaf people supposed to do in a cinema, or with broadcast TV?

(And I'm ignoring other uses, e.g. learning a foreign language; for that, sometimes you want the exact words, sometimes the gist, but it's highly situational; but even once you've learned the language itself, regional accents even without vocabulary changes can be tough).