Since you're specifically asking about dystopias, we can throw out all the scenarios where humanity sort of gets its shit together.
In that case, I lean towards an Idiocracy scenario. People keep getting lazier, attention spans keep shrinking, concern about the surrounding world vanish.
It's still rule by megacorporations, but not because they're so conniving and sophisticated, it's just because no one really cares to put a check on them.
Since you're specifically asking about dystopias, we can throw out all the scenarios where humanity sort of gets its shit together.
In that case, I lean towards an Idiocracy scenario. People keep getting lazier, attention spans keep shrinking, concern about the surrounding world vanish.
It's still rule by megacorporations, but not because they're so conniving and sophisticated, it's just because no one really cares to put a check on them.