When you combine:

- mechanizing language creation

- A/B testing

- rapid and automated iteration based on the above

You quickly realize that building propaganda engines is getting easier and easier.

If you then fold in large amounts of data on individual's likes, dislikes and general political leanings you can build targeted propaganda tailored to each individual.

Or to use an example from the late 2000s:

someone is building the "Pandora (music app) of propaganda"