Hey Tony, everyday is a good day, regardless of what happens. I remain alive and well. Thus, my day must be good. Otherwise the alternative isn't a pleasant view and can lead to so many other problems.
Like it said in the article, the people most likely to go along with it are those you wouldn't want to see in the buff. Kind of like at nudist camps (I guess ) True, it may release inhibitions in some people, but most of us are way too modest or accustomed to being clothed, mostly becuase it's socially accepted.
Also, for many people, especially women, dressing a certain way is a reflection of their personality, and invites compliments or derision, depending on one's taste.