Good article. I agree that the mastering quality is a huge factor in everything. It is more important to the sound quality than any format differences.
I don’t work in a Mastering Studio but my speakers are used by countless audio engineers and studios from Mark Knopfler to Pink Floyd, Tom Petty to Diana Krall, from Rolling Stones to Telarc classical, Sting to Jack White, Coldplay to The Killers to Lou Reed. A large portion of anything you have heard was mixed or mastered on these speakers in studios all over the world: