That's not how the process works though. You could argue that they should change the process, but the reasoning behind it seems solid to me:
> Implementation experience is required to show that a specification is sufficiently clear, complete, and relevant to market needs, to ensure that independent interoperable implementations of each feature of the specification will be realized.
> Implementation experience is required to show that a specification is sufficiently clear, complete, and relevant to market needs, to ensure that independent interoperable implementations of each feature of the specification will be realized.
From https://www.w3.org/2015/Process-20150901/#implementation-exp...