I've never been a fan of cryo. If you want nothing to change, cool it to cryo temps. Physics has never provided a basis for it working on anything. I've also been in several other hobbies where it is touted as a cure all. Never seen a difference.
Perhaps: you've not been paying attention?
https://thermalprocessing.com/freezing-out-the-competition/#
iow: YES, cryo treatment DOES fundamentally change the molecular/crystalline structure of metals (as well as a plethora of other materials).
More to the point of the potential affect of cryo treatments on our cables/components/systems:
YEAH, I know:
It must be true. It was on the internet.
Never mind: the sources, right?