Argument works aloud because objections can be answered in turn

A claim that has to be defended benefits from a medium that cannot be skimmed.

Written argument is regularly read out of order. People find the conclusion, decide whether they agree, and then read the supporting material as either confirmation or provocation. Spoken argument cannot be treated that way without abandoning the piece entirely. The listener meets the premises before the conclusion because there is no other route through. That is a genuine advantage for any position that depends on its reasoning rather than its assertion, and it is one of the few places where audio's rigidity is a gift rather than a tax.

The structure that suits this is the one where each objection is raised at the moment the listener would raise it. Because the medium is sequential, the timing of an answer matters as much as its content. An objection answered too early is answering a question nobody has yet formed. An objection answered too late leaves the listener arguing internally instead of following, and internal argument is where attention goes to die. Getting this right is not rhetorical trickery. It is the ordinary courtesy of anticipating where the person listening actually is.

There is a limit worth naming. Argument that rests on evidence the listener needs to inspect is not fully carried by sound. If the case turns on a set of figures, a comparison, or a source that should be checked, the spoken version can honestly say what the evidence shows but cannot let anybody verify it in the moment. The argument can be made in audio. The audit trail belongs somewhere the listener can look, and pretending otherwise is a way of winning that does not deserve to hold.