It’s not a MOOT point to tell you that MUTE point isn’t a thing.
Moot point [THINK: powwow (OO)]
Mute point [THINK: dumb (U)]
“The correct phrase is moot point. A moot point can be either an issue open for debate, or a matter of no practical value or importance because it’s hypothetical…
…The word mute means “silent; refraining from speech or utterance,” and the pairing mute point has no canonized meaning in standard English….”
[read more about it on blog.dictionary.com]