You overlook that if you premise “employers are faceless soulless monoliths”, then they would care as little about good behavior as bad. As far as references in

You overlook that if you premise “employers are faceless soulless monoliths”, then they would care as little about good behavior as bad. As far as references in tech go, they seem usually an after the fact formality, than anything. At any rate, all of this is trading in hypotheticals. I don’t actually favor quitting with no notice, but in such an extreme case, I would assume it was done with sufficient justification that one’s colleagues, perhaps even one’s direct manager, would be sympathetic to the quitter.