Last question first, yes, kind of. I have some degree of misophonia and hate most extraneous noise. This also extends externally perhaps just as a matter of empathy and makes me uncomfortable when making noise. My partner even complains that I move too quietly and startle her quite often.

To be more specific I prefer my portable devices to be always muted, which is where I consume most short-form content.

For longer content, like movies and shows, I’ll generally not be consuming that portably. Though I still strongly prefer to wear headphones so that I’m the only person who hears it.

I don’t have any hearing impairments but just prefer to have my devices muted at all times. I find this style of subtitles far easier to read and pace naturally. Rather than being unable to keep up I could read it much faster, even. My limit based on that speed reader site linked in another comment seems to be somewhere between 600 and 700 words per minute.