Such as?
[0] https://cyber.fsi.stanford.edu/io/news/wikipedia-part-one
On a serious note, this is very well put. It's the nature of language to lean toward a direction.
"the sky is green" , is obviously not likely to be accepted by many people.
'In his science fiction story foobarbaz written in 2002, John Smith asked: What if people said "The Sky Is Green"?' In this case, we can agree that the story is written, we can look it up in the library. (I made up the title in this case).
NPOV and consensus intersect here: Consensus is reached when no-one disagrees, and NPOV is defined as a point of view that no one could possibly disagree with.