Which element is NOT considered a key aspect of customer service?

The element of customer service that stands out as not being key is the use of antagonistic body language. Effective customer service revolves around creating a welcoming and positive environment for guests, and employing antagonistic body language undermines that objective. Positive interactions with customers are formed through friendly vocal tone, the use of the guest’s name, and body language that indicates openness and approachability, such as smiling and greeting. Antagonistic body language can lead to misunderstandings, increase tension, and ultimately diminish the overall customer experience, which is contrary to the goals of effective service. Thus, while the other options promote a positive atmosphere, antagonistic body language actively detracts from it, making it an unsuitable component of customer service.