We're getting into territory I don't know about, as that's a global mod/admin thing. In general, yes, because they're checked against a known spammer registry. Other than that I don't think it goes any farther than that. However, she must have signed up under a variation of her lhc email address or something tying her to that name, because astrid asked specifically if it was her. Without @astrid to confirm, I don't know what prompted her to ask for the ip check before approving the account.
The email was lucy honeychurch or something very close to that. I wanted to make sure LHC wasn't being trolled if I recall.
Eh, I don't put altering personal details under an AE in the same category as catfishing.
If I wanted to come back anonymously, I wouldn't be like "Well when I got unexpectedly pregnant after having a daughter via egg donor in Kansas City ..."
"I have a good story... this one time, my husband boated by with a monkey balloon on valentines day...."