Basically this:
http://sythe.org/showthread.php?t=1179116
No.
That's simply unethical if they were to release personal information to the traded party.
I'm sure there's another solution to that problem though.
No.
Too many biased opinions may potentially occur.
Not entirely true.
A trusted staff member with over 900 vouches has apparently scammed.
The chances of that were thought to be quite slim.
But I guess it's now been 'proven' that even someone with majorly less vouches then they had were a less chance of a scammer.
Therefore your point is invalid.
Already been suggested.
As I've stated in a separate thread, there would not be a downside.
A community poll on an OMM applicants vote would simply give an insight for the current staff/OMM team to see who the community thinks in their mind would be considered trusted enough to hold such a high rank.
However the staff poll will always hold power over the community poll.