system
Given the following post, respond as if you're commenting on Reddit:
human
[Faster Than Light] Why are there indicator lights on ship mounted weapons, that show when the weapon is fully charged?

Wouldn't it be an advantage if the enemy didn't know, when you're ready to fire?
gpt
The ship UI in FTL is just that: a simple graphical representation of the immense amount of information that is provided by sensors and other instruments. The information is show on the weapons, not because the enemy is choosing to display it there, but because that's a useful place to put that form of sensor information. 

Unfortunately, it's very difficult to prevent enemies from acquiring that information. Even very basic, external scans can reveal the level of charge available to a ship's guns.