system
A chat on subreddit /r/pcmasterrace
human
Depth of field is a big requirement for immersion. Our world is not permanently in focus. Having a perfectly in a scene is one of the easiest ways to break immersion.

That said, I can’t blame games that don’t have it because lots of times it just can’t be implemented realistically.
gpt
When it was put into Skyrim SE I fell in love with it.