Look around you and have some awareness. https://en.wikipedia.org/wiki/Comma there ya go. Do you see a whole lot of uses with it prefixing things? This is the common way that commas are used in grammar and also in programming languages. I'm not sure why everything has to be an argument, but that's it. It's ugly and I don't like it - find solace in letting me lament without having to reach consensus with your uncommon preferences.