I agree. This seems like an important problem.

Several existing technologies can wreak havoc on epistemics / perception of the world and worsen polarization. Navigating truth vs. fiction will get more difficult. This will continue to be a problem for elections and may sow https://apkinu.com/minecraft-apk/ for even bigger global problems.

Anyone know what efforts exist to combat this?

Is this a subcategory of AI safety?