This phenomenon is formally known as hindsight bias. Hindsight bias is when, after an event occurs, we feel we already knew what was going to happen. Hindsight bias is also sometimes called the I-knew-it-all-along phenomenon. This bias is a common occurrence for all of us.
Vertical writing is commonly used for novels, newspapers, comics, and many other forms of writing. Because it goes downwards, vertical writing is invariably used on the spines of books. Some newspapers combine the two forms, using the vertical format for most articles but including some written horizontally, especially for headlines.
The direction used in a writing system is entirely arbitrary and established by convention. Some writing systems use the horizontal axis (left to right as the Latin script or right to left as the Arabic script), while others such as traditional Chinese