It only works with 2 people / parties at a time, and it only works if you both respect each other to obey the format. I think if both people don't respect each other, they were never going to have a productive debate in the first place.
That debate format is great, it would be even better if it had some tooling to convert the debates into knowledge graphs.
The Yes/No format is essentially producing a tree of idea nodes, where a branch is created to investigate disagreements. You could colour code the nodes to show agreement/disagreement between parties, and publish graphs to be a starting point for further debate.
It only works with 2 people / parties at a time, and it only works if you both respect each other to obey the format. I think if both people don't respect each other, they were never going to have a productive debate in the first place.