I'd say excessive commercialization so that the whole activity is centered around buying and selling, or most members are gearheads who rarely go out and do stu

I'd say excessive commercialization so that the whole activity is centered around buying and selling, or most members are gearheads who rarely go out and do stuff, etc, is definitely unfortunately common. But I see it mostly as an individual failing, enabled and made worse by media environment. Tune out.