I have let so much of a pedantic nature *go* - I really have. (I thank Stephen Fry for this. I downloaded the blessay from iTunes last summer. Stephen is funnier to listen to, IMHO). I try to refrain from teeth gnashing on matters of a grammatical nature; but when it comes to matters of clarity, peeps, this stuff is important.
From a comedy perspective, though, I am glad that many omit the Oxford comma.
Comedy, like success, has many fathers (& mothers) but I saw this via the grand Nina L. Diamond, journalist & writer extraordinaire. She is a one-woman news bureau with entertainment division on Twitter. (Here is her Facebook Fan page for more information.)
(illustration credit is not easy to pin down via tumblr via the fabulously-named Edith Wharton Wants Your Shoes)