In the abscence of any evidence to the contrary that the majority of her co workers are the arseholes, it's best in these situations to err on the
side of caution and help the woman. Besides, who knows what's going on in her life to give her a bad attitude right now. Help her, it won't cost anything, and if she gets fired down the road, at least you did your bit. Like everyone else at this institution is a paragon of competence.