Here's what I mean.
Often for every single body of thought, most of the people or a significant portion of the people in its mold will belong to a particular professional background.
Would these be atleast half-correct assessments?
Anarchists - Artists, poets, literati
Progressives - Washington DC wonks, technocrats, think tank researchers
Agrarian primitivists - Writers, philosophers
European social democrats - professors (in some cases, with so many degrees that they go up to Herr Professor Doktor Doktor)
Protectionists and economic populists - self-made billionaires and plutocrats (such as Ross Perot)
Any others?
I dont think that's accurate at all.