That first girl acted so surprised to hear that her coworkers thought she was begging for attention, but the simple fact that she's posting about the whole ordeal on social media (including the actual HR meeting) proves that her coworkers are right.
Starting up in my government job in Eastern Europe, we frequently had to pull documents from an archive that was kept in the basement, in a room full of dust, rat poison and pipes. The idea of an office siren having to do that dressed in those clothes is incredibly funny