The limitations of #captioning mentioned here have to do with poor quality (not inherenet)
"It can wreck a great punchline or suspenseful twist, making it ill-suited to anything that relies on surprise.
It can be irritating when it's riddled with errors" https://bit.ly/3en0mOd

*inherent
Surely there are limitations in captioning, I just don't think they are these ones. The obvious ones are that they cover part of the screen or that they distract from the image.