I have trouble comprehending light text on dark background. My brain just doesn't seem to interpret it good enough.
I am running light mode on every IDE I am using (PyCharm, Intellij IDEA...etc) even when it is night. People tell me "do you know you can turn it dark", and I am like "Do I look like a damn idiot!? Of course I know, I just prefer it this way!".
My ability to analyze the code that is written with light text on a dark background is not as good as when I am reading the source code written with dark text on white background.
I do love dark modes in my IDEs. But...except the look, they are not of any use to me.
Same with Mac OS. I just turn down the brightness on my monitor as much as I can, to save my eyes.