It's a matter of quantity as well as quality. It gets easier to produce convincing forgeries all the time, but it doesn't get easier to debunk them. This allows for public discourse to be destroyed by flooding it with fakes.
Gans, deepfakes, X-does-not-exist, DALL-E, GPT-3, etc., are approaching if not at realtime in generation.
Fakes hit the newsfeed with, or before reality.
The latter most especially if part of a counterintelligence / disinformation blitz by attackers to maximise confusion.
It's a matter of quantity as well as quality. It gets easier to produce convincing forgeries all the time, but it doesn't get easier to debunk them. This allows for public discourse to be destroyed by flooding it with fakes.