They couldn't beat Nixon so they just assassinated his character. Every time there is a media reference to Nixon, there is some modifier intended to assure we remember how they disgraced him.
Nixon destroyed himself, by not having enough faith in himself. He should have been more confident in his ability to win the 72 election without resorting to extra-legal means.
But he allowed the left to rattle him and his self-confidence crumbled. And America paid a huge price for Nixon’s self-made vulnerabilities. Not to mention the price paid by Iran... and by extension, paid by the world.
If Nixon had just learned to breathe...