My hearing is pretty good and I am a native English speaker and it is shocking how often I need to turn on subtitles every few minutes in some new show I'm watc

My hearing is pretty good and I am a native English speaker and it is shocking how often I need to turn on subtitles every few minutes in some new show I'm watching because I have no clue what was said even after rewinding three times. At the same time, I am extremely distracted by subtitles so I can't leave them on permanently. The darkness problem is also quite annoying, though varies a lot by show. I just started watching Silo, and while I understand most scenes are supposed to take place in a pretty dark environment (inside of a silo), everything is just so dark in almost all scenes.