system
Given the following post, respond as if you're commenting on Reddit:
human
[Alien invasion scenarios] do the rules of war apply?

 when aliens invade earth, do the rules of war apply? Can we torture captured alien prisoners? use chemical/ biological weapons? slaughter alien civilians? Create alien genocide? Depleted U slugs? White phosphorous? Desecrate their remains? Anything goes?
gpt
The only rules that apply to us are our rules. If we choose to outlaw torturing prisoners, that's our call.

We may have no choice if we want to win. Even in a scenario like Footfall or Worldwar where the enemy is *barely* strong enough, we're going to be up against some tough obstacles. Maybe only our poison gas is capable of killing them. Maybe only destroying their corpses can stop an infestation. Interstellar travel involves WMD-like power levels just by its very nature, so they've already escalated to the absolute maximum threat level just by coming here.