I think most grammar nerds who know what an "Oxford comma" is would know that it's optional, and the kind of thing that can inadvertently change the meaning of

I think most grammar nerds who know what an "Oxford comma" is would know that it's optional, and the kind of thing that can inadvertently change the meaning of a sentence. That's how I interpreted the headline, not that a typo was made. IMO the headline did a good job of condensing the issue into something I might be interested in reading without being misleading.