". . . and here in lies the problem - who decides what's crap and what's not crap?"

Just pick somebody trusted, preferrably a female as she is not as likely to get emotionally invested in the ritualized dominance contests.

If "TheEnforcer" gets out of hand or starts acting like a Beyootch, then you boot her ass and get a new Enforcer.

"preferrably a female as she is not as likely to get emotionally invested"

do you know any females?

LOL, any stalking horses you have in mind?