One relevant concept might be that of the feedback loop, where the output of a process affects the input. For instance, if you survey only people who are already attending your events as to how to improve them, you might wind up missing ways to improve it for those who didn’t attend. After several cycles of this you might wind up with an event that is very appealing for the “in crowd” but which doesn’t much appeal to newcomers.
One relevant concept might be that of the feedback loop, where the output of a process affects the input. For instance, if you survey only people who are already attending your events as to how to improve them, you might wind up missing ways to improve it for those who didn’t attend. After several cycles of this you might wind up with an event that is very appealing for the “in crowd” but which doesn’t much appeal to newcomers.