It has always been like this (see browser wars, WHATWG).
In this case W3C is involved just as a tool. Microsoft/Netflix didn't need W3C for anything other than the brand name lending legitimacy to the spec they've designed and implemented before presenting it to the W3C, and didn't materially change it after.
In this case W3C is involved just as a tool. Microsoft/Netflix didn't need W3C for anything other than the brand name lending legitimacy to the spec they've designed and implemented before presenting it to the W3C, and didn't materially change it after.