There is one criticism which cannot be leveled at interparliamentary conferences but which is applicable to a great extent to peace congresses: the meetings waste time.
It's definitely nerve-racking to be the center of attention. I'm not the kind of an actor that just craves attention 24-7 - but it's part of the deal. You're the leader on the set.
I know as an actor there is a certain liberation auditioning for a role that has no beauty requirements.