That's not even remotely true. The Atlantic put together snippets of political ads over decades [1]. It's pretty crazy stuff. The local stuff, just from personal memory, was even crazier, frequently asserting the equivalent of the opposition being murderers.
>Very few campaigns ran on extreme blatant lies and warped reality as we have seen the past few years...
The problem is that even that perspective is your personal bias which you're using to justify censorship. The other side is bad and lying and therefore they wrong so they shouldn't be allowed to speak.