Phillip,
And to the other conversations, we are talking about draft- here. And
that isn't the same as standard. In fact one of the requirements for
being granted standard would be to come up with answers to these
issues.
I could not agree with you more, EXCEPT in this case major service providers (Yahoo, AOL, etc.) are already treating it as a standard, have implemented it, and people are feeling the pain as a result (and not just their users, since it's the recipients and mail list managers that are most affected, not the senders).
Cheers,
Andy