Orwell also imagined a future where Speakwrites made everyone unable to write by hand, making their thoughts dull and tanged as a long unprepared monologue tends to be.
To make the point explicit, Orwell wouldn't find most dystopian the fact your Speakwrite refuses to write anti-state messages, and support the right to subsidized local uncensored Speakwrites. The battle for the public minds was lost when they forgot how to write.