This isn't spooky and I wish publishers wouldn't try to sentimentalise it. I don't see single "explanations" as "leading", I think we ought to keep all hypotheses on the table permanently because they may turn out to complement rather than contradict each other.

In the 1960s not so much was known about gravity waves. I think the "collapse" is due to the multi dimensional phenomenon, which relates to tunnelling, a kind of topology issue. At the level we live in, we experience dimension differently from how they are calculated to be at far smaller and far bigger scales.

Didn't Epicurus believe in swerve - no doubt drawing on earlier people of insight.

Waves are utterly marvellous - we observe them and don't know why they are there or even what they "consist" of. At the huge level, vacuum turns out to contain plasma. Perhaps there are (vague) analogies at the tiny scale.

All things manifest as intersecting spectrums / sliding scales of matters and qualities of manifold kinds. This is the spatial thinker in me talking. There is a lot of stuff about us, and I like it.