Don’t miss the cute kitten in the hedder photo:
In other words, pretty much everything you’ve ever heard about Schrödinger’s cat is probably a myth, with the sole exception of the fact that quantum systems actually are well-described by a probabilistically weighted superposition of all possible, allowable states, and that an observation or measurement will always reveal one and only one definitive state.
This is not only true, but it’s true irrespective of which quantum interpretation you choose. It doesn’t matter whether you’re selecting one outcome out of the ensemble of all possible outcomes; it doesn’t matter whether you’re collapsing an indeterminate wavefunction into a determinate state; it doesn’t matter if you’re falling into one particular Universe out of an infinite suite of parallel Universes.
All that matters is that a quantum observation has occurred.Ethan Siegel, “Ask Ethan: What Are We Getting Wrong About Schrodinger’s Cat?” at Forbes
If a cat is involved, we bet there is more to the story.