Bump.
One thing that people may not have noticed, was the access to decisions makers that results by participation in such activities.
For example, I'm in Fresno right now, about to participate in teaching a crosscut saw class for three days. The class will include the lead wilderness rangers on the Sierra NF, plus wilderness managers from Stanislas NF and Eldorado NF.
When I've done trail maintenance on the Inyo, I've spent significant time with the Wilderness Manager and Lead Ranger for the Mt. Whitney ranger district.
For those who want to understand decision-making or influence decisions, there is no better way to accomplish that.