on Just Publishing Advice:

Is it a moot point or a mute point? The correct answer is a moot point.

We use the word mute to mean silent or unable to speak. You use a mute button to silence a television or computer.

But moot as an adjective means having little or no practical relevance. Moot can also mean something is subject to uncertainty, open to debate, or dispute.

When we say that a point is moot, we mean that an issue or fact is uncertain or irrelevant, but it is certainly not silent.

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