• A decision was taken (contract entered into).
• As part of the backlash to that decision, one of the demands was that an explicit policy be created.
• That demand was accepted, and what you see here is the outcome.
(Sorry for the passive voice….)
That's all there is to it; I don't see a claim anywhere that the article reflects anyone's principles or morals in the past, only that this is a (only now thought-out) policy on how to decide about similar things in the future (“So today, we’re announcing seven principles to guide our work going forward”).