Please if you finish reading it inform me of the impression that you had of the paper?
I’m still not through reading it, I’m trying to parse it thoroughly. And at the moment I can’t dedicate my full attention to it. Eventually I’ll get through it.
But one thing is already apparent, it’s flawed in the same way that most metaphysical arguments for God are flawed. In that it begins by assuming the existence of God, or something that can only be explained by invoking a conscious being with a Godlike nature.
In this particular case you’ve assumed that there must be an overarching fixed state of reality, otherwise Wigner and his friend could have differing perspectives on the state of reality at any given moment. And this you argue creates a paradox, in which Wigner’s observations contradict his friend’s observations. But in fact they actually don’t.
All the thought experiment is saying is that from Wigner’s perspective he doesn’t know which state the system is in. While his friend is saying that from his perspective he does indeed know what state the system is in. These two statements don’t contradict each other. There’s no contradiction between Wigner not knowing the systems state, and his friend’s knowing its state. These two statements aren’t mutually exclusive.
Much of the problem lies in how you’re visualizing reality as some fixed physical state, and superposition as a state that somehow exists in opposition to it. It may simply be that the two states are just the result of the two different perspectives, of two different observers.
So in other words, you began with an assumption, which inevitably led you to your intended conclusion.