This goes back to what I was telling Oph about how this is ultimately a job for them. Yes you become friends with certain people, some you are friendly with, and others you have to keep it cordial for the sake of work. If your job description involves interacting with other co-workers but you decide to ignore certain people, you wouldn't be doing your job correctly and subject to termination (Nene).
That being said, Monique has been good on the show but she has become too invested lately where it is affecting her family.