Both of these images are using the exact same in-game configuration, no changes to time/date. (time progression speed 0.1x)
On different monitors and different settings in brightness and gamma,
The visbility during night in-game is very different.
Playing at night time may be darker or brighter than intended.
This provides an inconsistent experience and prevents AI balancing and balancing between players.
If a scenario is designed to be played at night, all player should have a more similar and predicatable experience.