moot
mo͞ot/
adjective
adjective: moot
1.
subject to debate, dispute, or uncertainty, and typically not admitting of a final decision.
“whether the temperature rise was mainly due to the greenhouse effect was a moot point”
“a moot point”
- having no practical significance, typically because the subject is too uncertain to allow a decision.
- “it is moot whether this phrase should be treated as metaphor or not”
(Emphasis added)
He used the word correctly.