“If I could go back in time, I would not produce this event again,” he wrote Friday in a blog post about this year’s event. “I wouldn’t do it again if I knew then what I know now. It weighs on me and it will continue to weigh on me until everyone is 100% better.”…

He said he blames complacency for the spread of the virus, based on his conversations with attendees as part of contact tracing efforts.

“In almost every case, they admitted to us that they were super diligent on the first two days (Wed & Thurs) and then they relaxed a little on Friday and then they said ‘F*** it, it’s our last day and many admitted that their lax effort on that final day is probably why they ended up positive,” he wrote.