Good for him! Although the title is a bit misleading and I highly doubt the judge actually said "airports can be nudist colonies" per se. It's interesting because I have been through PDX many times, and I know right where that is.
Perhaps if the TSA made a dedicated line for those who wished to speed up their security check nude, we would have less of a "traffic jam" at major airports. We all know this wouldn't happen, but its interesting to think about. :)