It's great that you can recognize obvious biases in the information available in another culture.
Now, do you not think that we have any relevant prevailing biases, created by our education, media, history, culture, economic system, and government? [1] Ones that are so deeply ingrained in our society, that we don't even notice them?
If we were to apply your rubric, that would make arguments between people from different cultures completely unproductive - with each person hailing from each culture being able to dismiss the other's out of hand.
The argument you are dismissing as brainwashing seems pretty straightforward to me. It's entirely possible, even reasonable for economic stability to be a goal worth pursuing for government. You may find it anathema, but that viewpoint isn't particularly privileged, in the global space of ideas.
[1] That's a rhetorical question - of course we do. They are incredibly obvious to anyone who's lived in a few different countries.