They will probably have a handful of actual human editors, which will become the coveted job in journalism. Eventually it will become the the equivalent of the guys who hand dry your car after the carwash, only with advanced degrees and crushing student debt (if they don't have trust funds).

AI Editor of course... (/s... I think?)

disinformation is in the AI of the beholder

Simples, you just train another AI to fact check the first one. Obviously.