Except it didn’t even use the word! What, do we stop saying the rhyme cold turkey because in the 19th century it used a racist term?
And if you aren’t personally offended why act offended? Saying something is offensive to a particular group without being involved or a part of that particular group isn’t really much of a favor to them. In fact, it’s a tad bit condescending, isn’t it? Figuring they can’t complain themselves, that you have to do it on their behalf – not even factoring in the group in question is made up of a bunch of individuals who don’t even agree completely!