The invented God argument is similar to the simulation argument, but does not have to be earth-based or limited to historical sims.
Our universe is some 13.2 billion years old. Somewhere in that universe, maybe within our own galaxy, there likely is at least one civilization with technological capabilities that are many millions of years more advanced than ours.
A civilization of that type would be something like a Type V or beyond civilization. Their powers would be God-like. We may be part of their “world” or they might be us far in the future, able to reach back to us now.
In this sense, even a strong atheist is forced to admit that there may indeed be God, gods, higher realms, divine intervention, immortality, heavens, hells, reincarnation, karma, ghosts, visions, divine forgiveness, divine laughter, effective prayer, and so on.
The Buddhist tradition has six realms, billions of world-systems and Buddhas, Buddhas and bodhisattvas with “supernatural” powers, Dharma protectors, demons, rebirth, enlightenment, karma, and much more.
The usual way Buddhism is understood today by “educated” people is little if any of that stuff is true; it’s just the beliefs and superstitions of people of yore that have accreted to the tradition or that were used by the Buddha (who thought like us, of course) to make his points to “uneducated” audiences.
The invented God argument could also be called the invented Buddha argument or anything else that pushes the limits of our imaginations. I take this argument seriously and find it well-worth contemplating as doing that forces us to shift off the narrow seat of materialist/physicalist complacency and the fake sense of certainty that goes with it.
I don’t think we need to buy everything in every religious tradition from the past, but we can with little effort today see that the real state of our universe and our knowledge is complex and that we do not know its limits. Why wouldn’t having a pure mind, a developed moral sense, openness to visionary insight and higher realms be valuable skills?
One of the best Buddhist sayings, which I heard from Master Hsing Yun some years ago, is simply “make your mind bigger.” This saying can be applied to any problem, including the problem of unnecessarily narrowing our understanding of where we are and what is going on here.