The "we" that has been calling for shorter terms is no more a gross generalization than the "we" that is calling for more protection against AI use of stuff.
The world outside of HN-and-similar has been much less anti-copyright than the world in here. More "neutral" seems to be dominant - we're not extending it anymore; we're not shrinking it either. And currently generally more panicked about AI taking away their jobs and rendering their skills and creativity useless.
The original post was a very fair summary of how there are now two ground-level movements competing that there weren't two years ago.