Well, the other problem here is that you can't know for sure how you come off to others; again, they can't know whether your actions reflect ACTUAL offense any more than you can know the motivation for theirs; we can take you at your word, or decide that your actions are what matters and react accordingly.
Going back to the article, we have no way of knowing if Fry was ACTUALLY offended by the response he got on twitter. Perhaps he is as dispassionate as his post alleges. But he's walking a path well-worn by the offended.
If I had a nickel for every person who ranted about some perceived slight, words dripping with the common indications of hurt and ire, while repeatedly assuring readers that they were perfectly calm...