I don't know of anyone working on it, exactly because it is so difficult. So, while it might happen eventually, I don't think that anyone can provide an ETA at this stage.
Probably unlikely. Watch binary AST blaze through whatever passes for "process" at TC39 though.
Please do not disparage an entire committee because you disagree philosophically with one proposal in it.
I don't disagree with just one proposal. I disagree with multiple proposals and the committee's approach to the "process".