This is a pretty significant change in scope for the SC and should be discussed more visibly than on Brett’s nomination thread. So if people want to discuss expanding the SC’s role to include packaging (or any other area) can it be moved to its own thread (and cross-linked to the packaging category if it’s going to affect them)?
Without wishing to sound defensive, what do you think the PyPA have been trying to do all this time? Simply dumping the problem on the SC isn’t going to make a huge amount of difference by itself, it will just add work for them.
Yes, the SC has an authority that the PyPA maybe doesn’t (we’ve always been uncomfortable with the “A” standing for “Authority” 
) but an “official vision” won’t directly make anything happen. For a much smaller example, look at the stdlib venv module. That is the “official vision” on how to create virtual environments, but virtualenv still exists and thrives, conda has its own environment creation mechanism, etc.
Anyway, as I say, this should be for another thread.