One thing that occurred to me last night is that if we start adding *everybody*, we'll be up to our ears in disambiguation pages.
There are at least two Vicki Rosenzweigs in the US who have net access. Neither of us needs a Wiki entry (other than my "what I've worked on" page in the user: space); creating one for either of us would complicate things if the other later did something worthy of coverage, or a third person of the same name appeared as a senator, or a Canadian cancer researcher, or the real name of a pop star.
I'm not proposing a rule, or even a policy, here, just tossing an idea into the ether.