This is only for the Presbyterian polity people. PCA Historical Center director Wayne Sparkman has a great selection today from Thornwell against the idea of Boards (which have similiarities to "Commissions" in PCA polity). For Churchmen, this is a must read!
Thornwell made this conclusion about the rise of Boards in Presbyterian polity: “It is not to be disguised, that our Church is becoming deplorably
secular. She has degenerated from a spiritual body into a mere petty
corporation. When we meet in our ecclesiastical courts, instead of
attending to the spiritual interests of God’s kingdom, we scarcely do
anything more than examine and audit accounts, and devise ways and means
for raising money. We are for doing God’s work by human wisdom and