There's a billion nice people on the Internet; we can afford to lose the jerks.
The total number of users is probably in the area of 600-700 million (http://www.nua.ie/surveys/how_many_online/), and many of them just do e-mail. I don't know how many of these are nice people.
SCNR
On topic: The more we make a big deal out of our nickname policy, the more people will try to make a point out of disagreeing with us. We don't really need long winded explanations, we just need to apply it swiftly. It would help if you would give Brion the endorsement to act on his own best judgment in these cases (unless you have already done so and I missed it), until we have a more convenient interface to make these changes.
Of course, voting would be even better :-) :-) :-)
Regards
Erik