I'm a programmer. Most of my waking thinking moments are spent ironing out in excruciating detail how to actually do something that was easy to say in words. I combat "Shit's Easy Syndrome" every day (https://steve-yegge.blogspot.com/2009/04/have-you-ever-legalized-marijuana.html).
None of these factions can construct a real convincing argument against its opponent. Viral beliefs, like real viruses, evolve under intense pressure—their inventors poured all their energy, creativity, and intellect in making these beliefs immune to easy argumentation.