> I don't understand why people need a GUI to edit text.
They don't need it, but GUI can provide nice things consoles can't. For example real autocompletion drop-downs. Or see-through file outline/minimap like the one in sublime text. (https://2.bp.blogspot.com/-Co2awzuaA_s/TqQCZ1wwFLI/AAAAAAAAO...) Or better markers for things like region folds, column positions, matching braces, highlights, etc.
They don't need it, but GUI can provide nice things consoles can't. For example real autocompletion drop-downs. Or see-through file outline/minimap like the one in sublime text. (https://2.bp.blogspot.com/-Co2awzuaA_s/TqQCZ1wwFLI/AAAAAAAAO...) Or better markers for things like region folds, column positions, matching braces, highlights, etc.