That's fair. Of course they're not obligated to continue it themselves. I guess I'm just speaking from disappointment when I've encountered old, seemingly inter

That's fair. Of course they're not obligated to continue it themselves. I guess I'm just speaking from disappointment when I've encountered old, seemingly interesting dead-ends before and wondered why the authors apparently abandoned their work when they'd be the ones most motivated to further it. Perhaps getting the ball rolling is more the researcher's job than improving the ball.