Where does your knowledge about the world (politics, economy, health, people, …) come from?
It comes from media.
How do you know it is true?
How can you find out?
If there are inconsistencies (eg double standards), something is wrong.
Only personal experience is certain. For everything else you depend on the chain of information transfer between somebody’s personal experience and you.
This chain can be long and involve many people with many motives.
Everything between humans is a barter = exchange.
We barter goods, time, energy, labor, money, love, information, …
The word barter originates from the Old French word barater = to cheat, deceive.
Both parties of a barter have the same agenda: “I want to give as little as possible and receive as much as possible.”
Every barter is a power struggle.