I enjoyed the post in a pitchfork waving sort of way but I really don't think publishing this guys full details and passport is fair game.

Xrumer spam is a huge problem for a lot of webmasters. It's the same level as email spam, only the people that pay for it seem to kid themselves into thinking it's not.

If you have a good quality site, play to your strengths. You don't need to adopt junk techniques like Xrumer.