> a fairly narrow class of credentialed bureaucrats, entry into which is gatekept by elite universities and professional organizations.

Now take the next step: Explicitly state, and then defend, your implied premise, namely that it's bad to be governed by people who, from education and experience, have come to know something about their subject areas — and that we should be happy to invite the ignorant, the misguided, and the charlatan to exercise power and authority.