Maybe they don't cover the same things because the "things" are like their flags they are using to signal each other. It's like two different gangs using differ

Maybe they don't cover the same things because the "things" are like their flags they are using to signal each other. It's like two different gangs using different symbolism to communicate with their own members. They don't need to talk to the other side, they need to instead rally their own side. Maybe study each side like you're studying a gang. Get to know the symbolism and language.