The irony of Extreme Programming is that while detractors continue to explain why it cannot work, software developers all over the world are having success with it.
In 1997 this article might have been a frightening warning to people looking at XP and agile methods. Ancient maps used to mark unknown areas with “Here there be dragons.” But now, in 2004, people have been there, they go there every day, and while there are problems, it turns out that there are no dragons.
The ultimate “Irony of XP” is that detractors notwithstanding, more and more people are finding that there are no dragons, and that XP does in fact work for them.