[cpncrunch]

There is a somewhat easily digestible explanation of the quantum Darwinism theory here:

https://arxiv.org/pdf/1811.09062

However, it still doesn't really address the core question of when the collapse actually occurs. All it really seems to add is that the environment is an "observer" and that decoherence actually causes the collapse.

[eru]

Isn't 'collapse' just something that the Copenhagen Interpretation people made up?

[cpncrunch]

Its either collapse or many worlds.

[eru]

Or 'shut up and calculate'.