It's true that there are many instances where individuals or organizations behave inappropriately or unprofessionally, and it can be difficult to know when to draw the line and walk away.

Another important aspect of dealing with unprofessional behavior is communication. As you mentioned, it's important to be clear and direct in your communication, and to avoid getting emotional or reactive. This can be challenging, especially if you are feeling frustrated or angry, but taking a step back and taking a deep breath before responding can help you stay focused and in control.