Do You Have Freedom of Choice if You Have Been Brainwashed?

In civilizations and societies we are often told what is good and what is bad. We are indoctrinated into a religion, nationalism even political correctness. On this issue of what is free will or free choice one has to ask them selves how much is real and how much is brain washing. This topic came up recently regarding the issues between Iran and the US and the push towards war and one self-proclaimed peaceful philosopher of sorts stated;