If you consider “girls” as its own clause, then yes, the list is only two items long and therefore no Oxford comma is needed. But the joke precisely appears when you consider “girls” as part of the list and when you take into account that some people don’t use Oxford commas. If you do so, that leads to a 3-items-long list
If you consider “girls” as its own clause, then yes, the list is only two items long and therefore no Oxford comma is needed. But the joke precisely appears when you consider “girls” as part of the list and when you take into account that some people don’t use Oxford commas. If you do so, that leads to a 3-items-long list