This is an excellent article. Have you seen the Netflix flat-Earth documentary “Beyond the Curve”? It makes a pretty effective argument that — even if you may not change the mind of denialists — engaging them is a far better approach that laughing them off. Some are obviously clinging to their conspiracy theories because they’re getting something else out of it (like respect and adulation from other like-minded people). But a smaller number are genuinely curious, thinking people who took a wrong turn somewhere, often for lack of formal training and after feeling scorned by the science establishment.