'Some public spaces' is underselling the prevalence of FKK a bit.
Tons of anorexya/bulimia issues would dissappear once people discovered that, well... almost no one it's a supermodel at all, and even that-supposedly-all-hot-girl for sure has some sort of issue with some spot or whatever in her body.
Kinda like libre operating systems with the code wide open in your hands. Tons of technology wonders with shiny UI's are full of crude patches. Humans are similar.
I'm not so sure: people in Germany still have these issues. (But I haven't done a quantitative analysis.)