system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why isn't Braille just the actual letters instead of the format they use now?
gpt
Many letters would feel extremely similar to other letters.

Even if you use all caps: E F, or C O G Q U D, or N M W, or Y V, L I.

Having six dots in a regular pattern that are either filled or not is much easier to discern.