Reliable machinery always has a shop manual, diagrams and prints. Programming languages have tomes of documentation, computing infrastructure has man pages and volumes of commentary, scholarship and trouble shooting have been committed to characters.
Aside from the point and grunt visuals, solid presentations (viewed after the fact when the value of real time interaction is gone) work fine as text.
If you're dyslexic, I get it but TTS systems are extremely solid these days.
What is the point?