Good to hear. It used to be the same at Reading (although I haven't been for about ten years, since it started selling out in advance of the line up being announced).
Guys (with the aid of a bit of alcohol, no doubt) would happily stand well back from the Portakabin urinals and look up and down the row at the other dicks on show. Many's the time that I've heard comments made about how someone else was hung, their foreskins (or lack of) - and had comments made to me. I guess that the environment, the alcohol and the anonymity makes it easy to be a bit more daring than you naturally would be with your mates!
Back in the 80s, when festivals were often approximately 90% blokes in attendance, it was more like some of the pictures that you see here, in the 'Pissing Outdoors' thread. Back then the toilets were much more primitive and less pleasant to use, so many guys, after consuming large quantities of alcohol, would just whip out their cocks and piss where they were standing, or into an empty plastic bottle. I remember one Reading, at the end of the 80s, where we had a sheet down in front of us and three guys beyond that just turned 180 degrees from the stage, to face us, got out their cocks and openly pissed whilst chatting with us!
By the millennium, the number of girls going to festivals was around 50/50, so many guys became far less outrageous in their behaviour outside. In the more confined areas such as the gents Portakabins there still used to be plenty of mucking about, cocks being waved around etc.