Muting enforces turn taking without depending on anyone's nerve

The argument

Proponents of this position argue for the narrowest intervention that actually works. Muting the microphone of whoever does not hold the floor enforces turn taking directly: the rule that each speaker gets an uninterrupted period stops being an appeal and becomes a condition of the broadcast. Nothing about the occasion changes except that the thing both sides already agreed to is now true in fact. The central claim is that this removes the dependence on courage. Asking a moderator to enforce order requires that person to interrupt a powerful figure repeatedly, in public, knowing that each intervention will be attacked as favouritism. Proponents hold that this is an unreasonable thing to rely on and that the record shows it failing. A mute applied by rule, announced in advance and administered identically to both sides, requires nobody to be brave at the decisive moment, which is precisely when bravery has proved scarce. Proponents also stress that muting is limited in a way the alternatives are not. It takes nothing away from the format, since the speakers still face each other, still answer the same questions, and are still heard in full within their turns. It simply makes the boundary of a turn real. Abolishing amplification, by contrast, changes what the occasion is, and improving the officiating leaves the breakdown possible whenever the person in the chair is outmatched. Finally, the argument holds that the knowledge that a microphone will be closed changes behaviour before any muting occurs. A speaker who gains nothing from interrupting has no reason to try, so the mechanism is expected to operate mainly as a deterrent. On this reading muting is not a punitive device but the minimum structure required to make an agreed rule binding.

Premises

Counter-arguments

Those who reject this argument hold that muting is at once too weak and too strong. It is too weak because the serious failures of such an occasion are evasion, overrunning and misrepresentation, none of which a switch can touch, so the exchange can be perfectly orderly and still uninformative. It is too strong because a speaker who hears a false claim must wait for a turn to answer it, by which time the claim has reached the audience undisputed. Critics also deny that discretion has been removed: somebody operates the switch, decides when a turn has begun and ended, and rules on whether a brief interjection counts as an interruption, so the judgement the argument wanted to eliminate has been relocated to a less visible and less accountable place.

Rejecting the premises

[Rejecting P1] Critics hold that muting is too weak, since evasion, overrunning and misrepresentation are untouched by a switch and an orderly exchange can still be uninformative. [Rejecting P2] It is also too strong, because a speaker who hears a false claim must wait for a turn while the claim reaches the audience undisputed. [Rejecting P3] Discretion is relocated rather than removed, as somebody still operates the switch, decides when a turn begins and ends, and rules on whether a brief interjection counts. [Rejecting C] The mechanism neither reaches the main failures nor eliminates the judgement it was meant to replace.