Is it Possible for a Comma to be Worth an Estimated $10,000,000?

Do you folks know about Oxford or serial commas? Some use them and some don't. I try my darndest to write as well as I can, trying to write grammatically correct prose ( the ordinary language people use in speaking or writing).

Newspapers use the Associated Press style guide. And, they do not use Oxford or serial commas.

(1) Johnny loved chocolate, ice cream, peanut butter, and hot dogs.

(2) Johnny loved chocolate, ice cream, peanut butter and hot dogs. 

You may notice that in (1) there is a comma after peanut butter. Yes, that's the sometimes pesky Oxford or serial comma.

I use serial commas.

Here's the Boston Globe article about the $10,000,000.