When you create an IT system that is supposed to automate human work, it's important to have a clear answer to this question:
"What human skills should a robot be able to emulate, exactly?"
It's also important to set the bar adequately.
Our team came up with this set of skills that an average (good!) moderator should have.
An average (good!) moderator:
Creates a safe space for conversation
Which skill is the hardest to master?
Perhaps, Evaluates the relevance and completeness of answers received.