> You missed the part where our brain is much better prepared to deal with visual complexity than textual.
Citation needed.
Text is also a visual representation of language. If you want symbols instead of letters to represent logic you basically end up with hieroglyph like system, a logographic one.
Visual representation is not logical, it works according to gestalt principles. [1] Visual improvements would not be used to represent the program logic but secondary notation to improve and accelerate understanding. [2]
The metaphor would be using a graphics card for rendering the scene and the CPU for the game logic. Without a graphic card, your rendering options are extremely limited.
Citation needed.
Text is also a visual representation of language. If you want symbols instead of letters to represent logic you basically end up with hieroglyph like system, a logographic one.