I think "boy-led" is going to mean different things according to the troop and the boys and adults involved. When my husband took over as Scout Master, at one point he was told by the former SM (now Assistant SM) and the SPL that it's boy run and that the parents should have no say in it at all. The SPL followed it up with how annoyed he was with parents who would punish boys by not letting them go on camping trips.
Lets see...if we don't have two adults...there's no camping at all. If we don't have adults who can sign contracts for meeting places...no meeting place. There has to be a balance, boy run -- but yet not completely. And with the low parent participation our troop has, they will love the idea of "its boy-run, you don't need me! lol
We allow them to do *almost* all of what they would like to do, when they run it 'their' way, but there are certain times we have to say uh uh, when we see certain results. The older boys for example loved dodge ball which is a traditional scout game. But when we saw that it was a game where some got hurt (not seriously) and that the younger or smaller boys were constantly targets and sat out the game other choices were put on the list and that was taken out.
Another problem was on trips the older boys, generally leaders of some sort, would band together as a clique leaving the younger or lower ranking kids behind. I let them know that this was not leadership, and "strongly suggested" (ok required them to) pay attention to the rest of the troop. I saw it happen often enough to know that without my insistance, this was going to be standard practice.
Making phone calls on cells, playing with gameboys during troop meetings, not wearing uniforms, if they had a vote this would be a-ok, lol.