Idiocracy featured a society of people with cognitive impairments who watered their crops with a sports drink. The economy depends on sale of sports drink. When Joe suggested that they switch to water, the economy went into a crisis before the crops grew back. The movie made an argument for eugenics
But our own society, run by typically functioning people, and even people with above average cognition, also waters our crops with sports drinks. We do, absurd and counter productive things for the sake of preserving jobs in industries that shouldn't exist.
We insist on employer based health insurance rather than single payer despite it being cheaper and better to protect the employment of medical billers and health insurance sales people. Attempts to switch to single payer or public option are met by panic, accusations of socialism, death panels, and the spectre of your grand mother being euthanized by a government bureaucrat.
The system never gets a chance to work and if we did switch, yeah, in the short term there would be painful adjustments but we're can't keep watering our crops with sports drinks just so insurance billers remain employed.
I feel the same way about liberal gun laws I'm there face of mass shootings and youth gang violence, or replacing passenger trains with polluting cars and aircraft and not adopting high speed rail.
"Stupid people" aren't the problem, it's group think, hubris, inertia, selfishness and greed. "Stupid people" didn't give us employer based healthcare, the 2nd amendment, qualified immunity for police, or deregulate Wall Street.
"Stupid people" didn't even give us Donald Trump. It was white racists, xenophobes, Christian nationalists, and the electoral college system. We should do a lot less demonization of "stupid people" and a lot more self-reflection about how systems reward and punish things.