it has few shortcomings
--from article
The inability to access package variables renders Package Parts pretty useless, actually
--reader comment
I think you meant to say, it has a few shortcomings. And that is generous. Microsoft has at least recognized the need. But the reader comment hits it exactly--without the ability to use package variables, I can't think of a single practical use for it. If it did work with package variables, I would have lots of uses for it. Hopefully the wait won't be too long.