With so many people taking part in the creation of content and with this turning into such a massive industry it is only natural that there would be some level of quality control that can be relied on to some extent. Closed captioning is now a common feature that has to be added otherwise the video in question would end up being considered very low in quality indeed.
Content creators have a lot of stuff to manage though, with creative output required at a very large quantity in order to make it so that audiences stay interested. Quality also needs to be maintained to a great extent otherwise audiences will go elsewhere, so once can imagine the lack of time that a content creator would be forced to deal with all in all.
Still, closed captions are definitely something that need to be taken as seriously as possible which is why content creators often end up hiring people for the job. You can read more but the general gist is that they pay a pretty decent amount of money to people so that they can caption their videos, and there would obviously be a pretty sizeable bonus if they end up making it so that they can translate the captions into a variety of languages.
This can be a great gig for anyone that is trying to earn a little bit of extra cash. Skills like this are important and there are people out there that might even give you a regular salary for this sort of work. The thing about these jobs is that they aren’t easy to come by so try to make sure you grab the opportunity whenever it arises.