Films and TV shows and more often have subtitles, which are helpful for enjoying muted video, translation, people with hearing impairment, people struggling to understand accents, checking fast unclear dialogue and other reasons. They are important, and sometimes it’s clear when they do something right or wrong.
Maybe we can’t expect them all to be works of art, but there are certainly some easy wins even in the industrial media environment. What do you think?
You should check out the BBC guidelines for subtitling. They are really good and include preserving the intent of the program, avoiding ambiguity, and not spoiling jokes with bad timing.