The Oxford comma has been proven necessary in a court of law. Omitting it cost one company millions of dollars: https://www.nytimes.com/2018/02/09/us/oxford-com

The Oxford comma has been proven necessary in a court of law. Omitting it cost one company millions of dollars: https://www.nytimes.com/2018/02/09/us/oxford-comma-maine.html https://www.nytimes.com/2018/02/09/us/oxford-comma-maine.htm... It's a bit embarrassing that the NY Times didn't refer to its own article on the subject.