But if we're looking at things like a trilogy, or a series of papers in the same small area, it only appears to be a streak due to a (somewhat artificial) decis

But if we're looking at things like a trilogy, or a series of papers in the same small area, it only appears to be a streak due to a (somewhat artificial) decision about divvying up the results. These sorts of "streaks" could be interpreted instead as single events, and the whole premise of the article goes out the window.