Every medium of interaction, even human to human has rules and limitations on the interaction.

In-person human to human interaction also has some significant negatives. It's very low bandwidth as information must be transmitted mostly via voice which is lossy and prone to misinterpretation on either end. Attempts to terminate interactions early may have negative effects on future ability open an interaction with that individual. The in-person protocol also forces you to transmit visual sidechannel information, including biometric details. Other individuals can and will judge you throughout the interaction based on these biometric details.