Phrases which are surefire indicators of mindless received opinion:
"Economically illiterate" and variations
"not serious people"
"grown-ups in charge", "grown-up conversation" or anything else with "grown-up" in... How much more puerile can you be?
It's the little things. Steve Coogan in Legends, doing his Northern Working Class accent. But he's eating dinner, and his fork is IN HIS RIGHT HAND, held like a spoon. Been in LA too long, Steve.