It can, but it's not like having some special rule fixes all confusion. Mostly confusion is solved by having some larger context, not by nitpicky rules. You co

It can, but it's not like having some special rule fixes all confusion. Mostly confusion is solved by having some larger context, not by nitpicky rules. You could do like in German and force everyone to capitalise nouns. I'm sure there are German grammar pedants who have some reason why that's a good idea, too. Or clarify that a sentence is a question by making everyone do the upside down "?" sign to wrap the question inside of, like Spanish.