She Cares Even Less
Rose was becoming a burden to the other workers; they worked extra hours because she appeared to be slacking on her cleaning duties. Some of the staff members there were students with plenty of stress on their minds already without a co-worker to pick up after.
She seemed not to care about how they felt; it was more like she wasn’t interested in working. Regarding her job, she came off as careless. This was just the tip of the iceberg of what Rose intended to show them.