I remember watching a video called Hippies From Hell in which a bunch of German lockpickers (from Sportsfreunde der Sperrtechnik) were picking locks.. at a lake

I remember watching a video called Hippies From Hell in which a bunch of German lockpickers (from Sportsfreunde der Sperrtechnik) were picking locks.. at a lake, naked. It didn't strike me as German; it striked me as part of hacker culture. Was I wrong? [1] https://de.wikipedia.org/wiki/Sportsfreunde_der_Sperrtechnik https://de.wikipedia.org/wiki/Sportsfreunde_der_Sperrtechnik