You're probably doing things every day without ever questioning them, things that other people would find extremely weird and/or brainwashed behaviours.

Some of my friends became corporate drones when they moved to a country where most people are corporate drones, they don't see the problem even though they changed their entire personality to fit in, yet they are educated, cultured and smart

If it was that easy the average Joe wouldn't be in such a bad mental and physical shape... the forces at play are much stronger than individual will, especially when said will is being worked against from the beginning.