I didn’t see either the first presidential debate, but I did see the second and third. I also saw several of the debates for the primaries.
I’d love to see the debates restructured so all candidates sat in soundproof booths that are clear so the audience can see them. They would be wired for sound so the candidates could hear one another and the moderator. Each booth would have a microphone. The microphones would be off unless the candidates was supposed to be speaking, for example to answer a question from a moderator or the audience. So if one candidates were answering, the others could not interrupt.
I think that would make the debates much saner — one candidate could not talk over the other or snipe at them until their turn.
And at least it would make the debates easier to follow!