Earlier quoted context omitted.
Braille is also, famously, very expensive as a computer interface relative to audio (e.g. https://www.boundlessat.com/Blindness/Braille-Displays/Brail... ), plus not as many people can use it as can use audio.
Why must everything involve the computer? It was on paper when I was a kid, didn't require an army of six-figure salaries, and things seemed to go far more smoothly.
Do you not remember how problematic the purely paper voting systems were? How many errors were made in the voting and the counts and how long it took to get the final results in close elections? Florida 2000 is a famous, widely-known example. The computers are clearly better.