This monster came damn close to winning. We cannot take our foot off the pedal for a Split Second.
Every election year is "The Most Important One of Our Lives!" "Vote or Die!" "Etc!". Pick your flavor of hyperbole.
However, I think 2016 may have been just that. Clinton getting elected might have been something that the country couldn't recover from. We'll likely not know for another generation or so, if ever. But I think that it was a very near thing.