Not that I disagree with your point, but it's not true that Amazon had "nothing to do with the ruling". According to Wikipedia, they were the original complainants:
> Shortly after January 31, Amazon sent a letter to the Federal Trade Commission complaining about the simultaneous nature of the demands for agency model agreements from the Publishers who had signed with Apple.
> Shortly after January 31, Amazon sent a letter to the Federal Trade Commission complaining about the simultaneous nature of the demands for agency model agreements from the Publishers who had signed with Apple.
https://en.wikipedia.org/wiki/United_States_v._Apple_Inc.