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There is an element of the scold in your announcement that asks us to sign our name to posts, with the unhappy impression something akin to "Teacher will now only give out little red stars to obedient boys and girls who mind." Certainly, by all means disallow abusive posts that are antithetical to the spirit of commeraderie and intellectual exchange. But we all know that wishing to remain anonymous, using a handle, or inventing an actual-sounding "name," is liberating to some people and not incompatible with thoughtful posts that one could claim in the light of day.
This seems very un-Salon of you.