“The Last Jedi” is plural, and some linguistics-related explanations.

Some weeks ago Disney / Lucasfilm announced the name of Star Wars ep. VIII: The Last Jedi. The Internet went immediately bananas: Is Luke the last Jedi? After all, The Force Awakens’s opening crawl seemed to confirm that. But what if the word Jedi, in the title, was plural? There’s no Jedis in Star Wars, Jedi is both singular and plural. …