I would have thought that Fujiwara no Mokou would be okay with the jamjar style resurrection? Like it would be a different experience to how she would be revived under the effects of the Hourai Elixir but it might possibly be better than what she's used to depending on the game.

Not like her sense of self preservation should be affected - I believe it's really an OOC thing about how altered you want her sense of preservation to be, especially if you've not got a Kaguya or other castmates in game.