I'm usually the one who throws threads of topic and so I should as a courtesy hesitate to post. I think I can step in now with minimal impact.
[WT magazine writer mode: ON]
If you walked into a conversation where alot of the concepts or issues being talked about by that group of people, presupposed or assumed alot of background information, could you reasonably expect to grasp it all clearly just by going on what was said then and there? Wouldn't you gain a deeper understanding, or at least a more accurate clarification of some of the material bandied about, if you also looked up the relevant information in other pertinent sources? So too with some personages, concepts, or beliefs referenced in the Bible. We can use cultural, religious and literary works contemporaneous to the bible writer to help us elucidate the points being made by them.
[Mode: OFF]
Parody aside....The above approach is sound. Thats why I appreciate all the research and effort that Leo puts into her posts. I feel I'm better off contemplating extra-canonical works, than trying to imbue meaning into scant material in the Bible with nothing else.
Now to the topic
The huge body of evidence that exists in extra-canonical Jewish works clearly shows a belief in several archangels, Michael being a very strong one but not the only one. That in itself calls into question the link the WT tries to make between Jesus and Micheal. Many other points made by other posters here just tip the scales further.