1984 was about changing narratives in history, not fast-acting live news. Describing basic journalism as orwellian is misunderstanding his theme.
The party speaker literally adapted to the change in eternal enemy mid sentence without breaking the grammar. How much more fast-acting and live can you get? Are you suggesting that they had a free press in 1984 that didn't have to update their own description of what was happening?
During Hate Week in chapter two the speaker is handed a paper and changes the object of condemnation mid sentence.