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You are concentrating on the wave itself, on quantum field theory. I do not find this surprising since you have claimed to be atheist. And atheists often believe that "reality" is only that which physically exists, i.e. is measurable or observable.

We consider philosophy, structures, mathematics, universals/forms etc. and above all these, Logos which is a Name of God.

Logos is a Greek word which is translated to Word, a Name of Jesus Christ as Creator God. The word logos is also the root word for logic.

That extends, in this case, to looking at the information content of the cosmos, of quantum superposition and the translation from quantum (uncertainty) to classical (sensory perceptible certainty) physics. Is Schrodinger's cat dead or alive or both?

The observer is part of the system he is observing. Indeed, his own uncertainty (Shannon entropy) is reduced by virtue of cognition (information, successful communication.)

Currently, quantum decoherence is the popular explanation for apparent wave function collapse - or to put it another way, the apparent selection of a state that we actually perceive in the macro world around us. Alas, the cat is dead to our sensory perception and we shall bury him.

Even so, Everett believes the cat may yet be alive in his many-world cosmology. The quantum superposition continues, it did not actually collapse. In a parallel universe, you did not read this post and instead went to cash in your Power-ball ticket.

In this as in all disciplines of science (e.g. molecular biology) - theory and observations are both subject to interpretation. An appeal to the properties of wave functions does not settle the debate about the observer, certainty/uncertainty, superposition etc.

And atheists often believe that "reality" is only that which physically exists, i.e. is measurable or observable.

You won't get an argument from me : )

We consider philosophy, structures, mathematics, universals/forms etc. and above all these, Logos which is a Name of God.

Yes, let me pick the assumptions and I can logically prove anything : ) Or better yet, let me pick the parameters and I can predict anything : )

Alas, the cat is dead to our sensory perception and we shall bury him.

Schrodinger and Einstein tried their best to disprove QM, but even Schrodinger's kittens couldn't do it.

Even the many worlds theory agrees that the wave function collapses. The other universe just had a different result.

An appeal to the properties of wave functions does not settle the debate about the observer, certainty/uncertainty, superposition etc.

Hmm, you are mixing apples and oranges. Certainly the observer in effect helps determine the outcome, but the observer doesn't change the basic principles by the observation.