Feel like couture is becoming more and more massive these days. With the crazy price of RTW, many powerful clients realise couture is actually a more smart option. You spend a little more, but you get a much more privileged experience.
Yes, Chanel allows clients to order any item from the past collection and the house used to have strict policy of purchasing, meaning the brand is discreet of selling the same look to different clients. But from what I see, it's loosing its tie now.
With many clients posting things on social media, It's not mysterious or selective anymore. And it's all about making money in the end.