Anyone else notice this? [possible spoilers]

[Shev]

...that would be helpful except that you already have an infinitely glowing glow stick, and no real need to use anything else for light, except for the fact that someone needed new batteries and decided to get the max value value bargain box of batteries and then hide them around the facility when he was bored...

Glowstick only lets you see like... 2 feet.

Gas mask has the same effect as turning your gamma up.