Its not uncommon for a celebrity to allow photos "of" them not "with" them. Actually, Fran posing is kind-she's creating a photo op. Usually you have to settle with a bad photo of a star with their head down signing a Playbill or walking to their car.
Fran is actually letting you get a photo of her. I'd be ok with that. Sigourney, Bette, Anne Heche and quite of few others have said that-they wont pose with you.
However, most stars will if there is no crowd.
I've read Fran's books-she doesn't like crowds, is very protective of her health and immune system and she is a trauma survivor.
I think it is sweet when a star will stop and wave or pose-its an acknowledgment. Signing doesn't denote appreciation.
"The sexual energy between the mother and son really concerns me!"-random woman behind me at Next to Normal
"I want to meet him after and bang him!"-random woman who exposed her breasts at Rock of Ages, referring to James Carpinello