For example - how does ownership of the media by billionaire fascists construct a propaganda model when plenty of individual journalists sincerely BELIEVE they're truth tellers and not serving a larger purpose for the people who own the media.
You can learn that in one simple Chomsky quote, if you care:
https://www.youtube.com/watch?v=AnFUWrjr25A
It's just the "how" is not relevant and would take me multiple college courses to teach you in full; the WHAT and WHY are the important things here.