In public spaces like this, though on the face of it the argument might appear to be with the toddler, it's also about batting down the idiocy and not letting it swamp out basic common sense and reason.

Bluesky has a different tact that also works: block and hide and don't engage. However in forums like HN, where earnestness and questions are so prevalent, leaving these baiting questions and statements unanswered instead leaves them as bastions of the mind rot. Because these toddler-level arguments are being repeated daily through propaganda channels all over the internet, and if they are never answered, the constant swarm of propaganda takes in even more people.