This is one hell of a twist. <______< It's so easy to just help everyone you come across... not thinking of the possible consequences of allowing Alice to actually follow through on her intentions to bring people back from the grave.
I don't know if it'd be a good or terrible idea to offer to take her research back again and so she can do it better/sooner before they're already long gone. Maybe instead try to warn her out of doing it at all in present time. >_> Well, we'll see how trying to find/talk to Patchouli goes, first.
>"I'll have to pay that place a visit soon, then."