[toyg]

That's just world-shrinking culture shock. In some countries, only (gay) swingers go to saunas; in that context, it makes sense that they could see an ostensibly sauna-focused group as really about sex.

See also: "oriental massage parlours".

[hutzlibu]

I know that. It still anoys me, as all of this is pretty much out in the open here in germany. Which one would know with 5 minutes of searching.