These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Inferred Holocaust: The aliens will apparently render the human race extinct, save for those chosen to be "saved", who are in the meantime used as slaves... unless our "altruism coefficient" is high enough. And guess what? It goes down every time the button gets pushed.