Debarkle traces the history, events and subsequent consequences of the Sad Puppy/Rabid Puppy Kerfuffle at the 2015 Hugo Awards “Six years later, the differences and similarities in stance between the members of the so-called Evil League of Evil revolved around the same framing of world events as they had used for the Hugo Awards: that powerful “elites” were siding with left wing ideologues to transform society using underhand means.”
Most recent Metafilter discussion on the topic here.