I think there will always be a core that jump at the chance at a titled "privilege". As an example, look out how many ordinary dubs jump at the chance to Aux Pioneer during the Memorial Season TM . It makes them feel special.
I also observe a pattern where those brothers who can barely support themselves or their families tend to be some of the most domineering, dictatorial brothers when it comes to any type of oversight-- be it as the CoBE or as the Cleaning Captain TM for their congregation at the Circuit Assembly. It's like they realize that their lack of education or work ethic never will allow them any substantive authority in the real world, so they try to repair their fragile egos by reminding themselves and others in the congregation just how much authority they really have. Part of the same pattern is those who actually have an education and/or successful career. They know what authority and responsibility mean in the real world, and when they get to the Hall, they look around and think "No thanks. I couldn't give two flying figs whether I 'qualify' to run mikes/make the Attendant schedule/etc." And when you find that somewhat rare combination of an elder who is educated or has a successful career, they tend to be the most reasonable because they have nothing to prove.