Answer: The unresponsive bystander effect
Step-by-step explanation:
The unresponsive bystander effect is a term developed in social psychology to explain why peolple are less prone to provide help to someone in distress when there are other people present. The theory is that the greater the amount of bystanders, the less probable it is that someone will offer help.
In this example, even if they were not bodily present in the same place, the viewers of the live online chat became unresponsive bystanders.