At some point, I think, things will inevitably change. But for the moment, there's so many obvious things to work on that the confusing/subjective things don't really pop up too much.
Discussions about shop= vs amenity= are sometimes frustrating, but I bet they don't come anywhere near the discussions over using –,—, or - in page titles.
Here's 15,000 words. At the end of that? No consensus. https://en.m.wikipedia.org/wiki/Wikipedia:Village_pump_(poli...
The type of dash to use in "Mexican-American War" got over 20,000 words. https://en.wikipedia.org/wiki/Talk:Mexican%E2%80%93American_...
Dash wars even got to Arbcom: https://en.wikipedia.org/w/index.php?title=Wikipedia:Arbitra...
Is the political entity on Formosa "Taiwan", "Taiwan Province, Republic of China", "Taiwan Province, People's Republic of China", or "Taiwan, Province of China"?