Get this: the Academy of Motion Picture Arts and Sciences’ shortlist for the Best Documentary category is fifteen films long. Fifteen! Sort of makes you question the entire use of the phrase “shortlist”, especially given that their other shortlists are, you know, actually short. We can chalk this up to some pretty significant rules changes to qualification in that particular area, instituted by the Academy this year. It’s not unusual for the AMPAS to alter or fine-tune the rules for submission and eligibility year to year– as the culture of film ebbs, flows, and otherwise changes, it’s likely a necessity, else the Academy is just fickle– but as Deadline reports,…