They are more often informed well enough to choose some endorsing body to delegate that decision to, and it's better that they have a choice of such endorsing b

They are more often informed well enough to choose some endorsing body to delegate that decision to, and it's better that they have a choice of such endorsing bodies than a single one they may not agree with. What goes horrifically wrong if there are multiple certifying authorities for medical practitioners, with varying criteria, and various meta-organizations making recommendations about which certifying authorities are better than others, and people make informed decisions accordingly? Some people will absolutely make ill-informed decisions, and those should still be their decisions to make. That seems preferable to the world in which someone can't see the specialist they want to see because they're in another jurisdiction.