Answer:
It helps the author create a close environment for the reader.
Step-by-step explanation:
Focusing on realistic or ordinary elements of a story may help to author to create a close relationship with the reader. Human beings compare the unknown with what they already know. Even science fiction and horror authors like Ted Chiang or H. P. Lovecraft compare all their creatures to something known so the reader can easily link it to a memory and create a closer idea of the author's intention.