In the novel, despite several attempts from different parties to encourage people to think more critically about what they read on the internet, highly sensational AI generated content radicalizes and stupefies the population.
First, it's awful that this could be even considered as needed in the future, and developers behind the open source projects should consider the future they are enabling. It's not all just harmless tech.
So with that in mind, I've spoken to people who have theorized about releasing preemptive deepfake porn of themselves. This is due to the currently awful but very much existing trend of revenge porn, and possible expansions of the theme that w/ deepfakes. Can't blackmail someone via embarrassment if it is all plausibly deniable.
For example, I was in a con with a presenter who was a leading advocate against revenge porn, and the the call got zoom-bombed. Awful stuff. I could see someone on the receiving end of that treatment going full nuclear in the manner I described, in the off chance those sort of measures ended the threat finally.
There are a lot of 'reputation management services' whose job is to flood out bad press and replace it with anything else.