Because this is a talk-shop, not a dictatorship? I’m not sure what the point of excluding them or even putting limits on their participation would be when they’re the ones that need to hear the conversation.
I genuinely think the failure of the American education system to educate on what the UN actual is, is very deliberate and indeed successful.
They’re the ones that need to hear the conversation, but are they the ones to lead the conversation?
Do you understand that a conversation is not a lecture? They are taking their turn in a rotating chair position. It would be weird if they didn’t.