We should be careful to avoid creating communities that are echo chambers.
I’m afraid that ship is already sailed, foundered, and is well on the way to the bottom in a lot of communities.
When it comes to spicy topics, many communities on Lemmy feel incredibly close-minded and hostile to opposing views.
It’s not Earth-focused, but Eve Online had a minor subplot about how the coordination of time between multiple competing human civilizations became a major political problem because no one wanted to accept the system promoted by a rival empire.