I had a post rated for spelling, thought I really butchered the post. But when I checked it not a single spelling error. Figured that maybe they were impressed with my spelling.
Shortly thereafter someone posted in the Lounge that they discovered they had been rating posts accidentally via their mobile app. As they scrolled through a thread from time-to-time they 'hit' a rating icon and poof, post got rated...
RemoveBeforeFlight