My intuition is that it must not be just a coincidence that the agent happens to works well in our world, otherwise your formalism doesn’t capture the concept of intelligence in full.
It’s not a coincidence because evolution selects the prior, and evolution tries lots of priors. (There are lots of simple priors)
It’s not a coincidence because evolution selects the prior, and evolution tries lots of priors. (There are lots of simple priors)