Check their web site if you are interested...ishtartemple.org...
I saw the post about drugs at burning man...frankly the drug of choice seemed to be alcohol. But there was a wide variety of use that's for sure.
My understanding of the various tickets issued at BM' 00 was that they were all dismissed...at least the ones for pot and other innocuous happenings.
We all need to be responsible for our actions both on the playa and off. If you choose to use on the playa the consequences can be severe and sudden.