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I'm glad that the complaints of others allowed me to learn that I could turn off the signatures. 

It's kinda silly to turn off the signatures as a whole, because most of them aren't that bad or trying to be offensive.
Doing so is like that whole ostrich-head-in-the-sand thing; out of sight, out of mind and all that, but it's still there nevertheless.

Of course, the real cure for such things is to disallow them, but as long as you have influential mods helping the PTB to understand - I mean believe -  it's not a contradiction of the TOS, it will never happen. ;-)

Within the past several hours I've learned that it's OK to insult and flame entire groups, and is only deemed TOS-worthy if people complain, while I still can't single out any one individual as a beeyotch.

In other words, I can say something like "Everybody named Jen is a beyotch", and that would be OK, but I can't say anything that would target one particular Jen.

Y'know, it doesn't make sense, but that doesn't really surprise me, because it would be far easier to justify it than it would be to bring it into compliance with the overall TOS.  ;-)