[fancyPantsZero]

> How about something more realistic, like character assassination campaigns?

if fake porn does become ubiquitous as you argue, wouldn't the impact of such assassination be greatly diminished?

[acdha]

Eventually but consider how much long-term damage will be done before most of the people living when that technology becomes commonplace stop voting. Think about Brexit and the US 2016 elections, both decided by generally old people who believed factually untrue but widely repeated claims – there’s no easy way to reverse something like leaving the EU or not dealing with climate change even if a decade later the average voter is considerably more savvy.