The usual approach is to serenade engineers with online postings involving wandering monkeys or battling robots, which rapidly morph into fiendish challenges of math and logic.
The result: a rat task-force, a rat tsar, a rat hotline (500 calls already) and fiendish talk of limiting the rodent population by distributing contraceptives (presumably of the oral sort).
The Ecuadorian Andes are a fiendish proposition for any transport planner: a three-mile high spine of mountains that runs down the centre of the country, unfolding into high plateaus, fissuring into canyons and sheltering mist-shrouded old towns.
The public does not want to understand the fiendish complexity of the EU. Many in the EU establishment draw a simple conclusion from that: never ask voters directly about something as complicated as a treaty.