Park fliers are "the driving force of this hobby" ? No offense but after flying for 35 years my conclusion is that whatever turns your crank is the driving force of the hobby. Seen lots of driving forces come and go, the average Joe sport flier is the one constant.
As to your poll. If you don't wan't to belong to AMA then don't join. We don't need another poll to know that some people just have no love for orginizations.