[macspoofing]

>Gravity was never a leading explanation for collapse; it was always a fringe idea.

Why not? Gravity is (probably) mediated by a particle, and therefore all matter will interact with all other matter ... so why shouldn't gravity therefore cause a collapse?

[gus_massa]

(Nobody is sure about the graviton, but IMHO it is a good bet.)

Electromagnetism is also mediated by particles (photons) and the quantum states can survive a lot of electromagnetic interactions without collapsing. One of my favorites https://en.wikipedia.org/wiki/Stern%E2%80%93Gerlach_experime...

[akvadrako]

My second sentence?