The Last of Us features prominent uses of Death as a narrative tool (Tess, Henry), to remove unwanted characters and bring about outcomes desired by the author.
A futuristic city is triumph over smallness, and so cities of the future begin with connectivity. Their first attribute is space.
We need more realism in the way we portray, or imagine, aliens. What do I mean by "realism"? A little less ruled by our fears, potential inferiority complex, and other negative things we like to project on the idea of extraterrestrial life.