I imagine the waiting room etiquette violation is probably just common courtesy stuff like not to be on your cell phone, turn your ringer to vibrate or silent, etc... the waiting room at my xT I was told was meant to be quiet and relaxing (that was what I was told after I asked xT what was up with the funeral home music that they played)

OH... I imagine asking "what are you in for" is probably not as accepted in the therapist waiting room as it might be in a holding cell...