In my group, one male was a Scout, two were Cubs and one assistant leader was a Queen's Guide (so equivalent of Eagle Scout for the Girl Guides). The other three, all female, came into it as parents, but stayed.
My group doesn't do family camping. Perhaps we should, to bring more adults in. It's hard enough to find weekends when all the leaders are free, let alone getting parents involved too. This year we didn't even have a whole-group camp, because we couldn't get enough leaders together all at the same time.
A sensible person might imagine that the BSA had consulted with other inte