Of course when you do go for the whip, you want to newspeak it into something else, so that also works, in small doses. Your problem occurs if it escalates, then you can't hold it down with PR anymore.
So 1984 is metastable and such societies did in fact boil over. BNW is stable and invisible to a lot of people, though I suspect there is some failure mode we have yet to see. Maybe there's a line of thought where people just get sick of every damn thing being massaged to death by PR people, and they do something about it.