The unobserved parts of the wider phenomenon (other universes) have in no way affected what we (the viewers) observe (in OUR universe), yet they are essential to its explanation. Causation doesn’t exhaust explanation.
Related:
- 10-2e7 The common-sense concept of cause and effect makes sense because ‘variants’ do exist somewhere in the multiverse. Nothing necessitates causes to precede their effects.
- 10-2e8 Reasoning about causes and effects is reasoning about variants of the causes and effects. What would’ve happened. How it could’ve been otherwise.