“In addition, she surely knows people who are sufficiently unrelated (not family) who could make corrections and additions on her behalf, as long as the changes meet the guidelines for citations, NPOV, etc.”
I don’t know if that’s within the rules or not. She’d be safer going through the talk page.
Either way, though, the key would be, as you point out, to adhere to the general standards for encyclopedic material.
There are snowflakes on the right as well as the left. I can’t shake the suspicion that her real problem with the article is that it’s not unalloyed adoration. Even her Post piece doesn’t identify any specific issues in her bio. Compare it to the way she identifies specific issues about Israel-Palestine coverage.
It was created in 2007 with this notation:
"Created this page in order to spark discussion about good ways to get one's own information corrected."and has been modified over the years a few hundred times. It's not official (there are plenty of lengthy "official" pages on the topic), but it's mildly entertaining.