Ads are propaganda. Propaganda is Ads. Ads = propaganda.
Propaganda is a tool to persuade people. Are ads an attempt to persuade people?
So is it news that people are using ads/propaganda to persuade people? No. Will Google, Facebook, Amazon or Apple do anything that will harm their revenue as propaganda platform? No.
Do Google, Facebook, Amazon and Apple use propaganda? Yes.
This is like reading an article about how weapons from weapon companies are being weaponized.