I see no reason not to use this as advice for any potential instances I feel inclined to... eh... pretend I'm an editor?
Nevertheless, I can wallow in others' misery and learn simultaneously. How can this not be a wonderful blog post!
"But if you don’t use the Oxford comma, you deserve to die alone."
I redirect you to this wonderful translation team with which, I'm sure, you have a great deal in common:
http://theoxfordcommaissuperiorsubs.com/
It is highly recommended you read the acutely enlightening blog posts you will find within, relative to the Oxford Comma's Superiority.
You will finish an erudite man.