Inventing faster ways to lie won't meaningfully change the equation, the driving forces are the same.
Before people would maybe be talking and rumor slandering all over the place in person instead, but the literate-targeting part of media was operating under some ground rules for debate of at minimum no malicious libel.
A subset of the people will but most will not. Right now obviously fake news stories are shared left and right, without even a modicum of rational analysis applied as to their plausibility.
The average person is simply incapable of rational thinking about anything that is not day-to-day and this will not change.
"So crap filtering became important. Businesses were built around it. ... " Generating crap "didn't really take off until the military got interested" in a program called "Artificial Inanity".
The defenses that were developed back then now "work so well that, most of the time, the users of the Reticulum don't know it's there. Just as you are not aware of the millions of germs trying and failing to attack your body every moment of every day."
As I review this now, I'm sad to realize that our flood of "bogons" (bogus information) is not generated by opposing armies wanting to plant misinformation but by advertisers, influencers, and politicians. In effect, those who want to sell us things we don't need, didn't want, and often can't afford.