I'm pretty much with Sondra on this, but would only add a little twist that we probably WON'T be participating in the Scouts' activities, instead allowing our 11 year old son (and his two friends who'll be tagging along) more freedom to choose their own paths across the playa. This will be our son's 7th burn, so it's time for him to direct his own adventure, so to speak, and when we asked him about the Scouts thing, he kind of shrugged and asked if it was something he HAD to do or was it optional. He's just finishing up Cub Scouts and isn't going into Boy Scouts, incidentally.
As for haters, they come in all kinds of flavors. Some hate kids being on the playa, some pine for the days when Burning Man was more "pure," whatever that means to them personally (I remember blowing up lots of shit 20 years ago and taking more drugs), there are those who hate guys hanging their dicks out, fir wearing hippies, art car snobs, whatever. That's the beauty of Burning Man, though; we can grouse and bitch and complain, but once on the playa it all seems to work out for the best and most of us come away profoundly affected. Those who aren't don't return and spend the few hundred bucks doing something else. As it should be.