Absolutely, the executive needs CPAs and MBAs, the legislative needs lawyers, the judiciary needs judges and to be honest that's the only one where meritocracy permeates, just add a little randomization instead of handpicking, that's all.
That's not what I wrote. Elected representatives get away with not being accountants by hiring accountants to staff the CBO. Similarly lawyers could be hired for drafting unambiguous legislation based on position papers.