Here's a tip of the hat, pulling for the same results!
The difference is that in 2016, Hillary was confident that the polls were correct and thought she could coast to the finish line. Trump, on the other hand, fought right through the very end, scraping and clawing for every last vote.
This year, it's the Democrats scraping and clawing for every last vote while Republicans, confident that the polls are again wrong are complacent. "Don't worry about it!" they tell us. "All the polls in 2016 said Hillary would win!"