Answer:
If an author is writing about historical events, they should include historical material, but to emphasize it he should also probably add dialogue or a narrator, depending on the story.
Wallace places emphasis on the word "adjust" because he is addressing our realities and way of thinking as "default." He expresses the importance of paying attention to your surroundings, and adjusting to other perspectives and ways of thinking. He compares our ignored experiences to the water fish swim in but were never taught to notice.
<span>as I past the kitchen door
should be
as I passed the kitchen door
</span>