The important thing with an open mind is to have a back door that can be closed when necessary to stop the good ideas passing in the Front door, and going right through without stopping on the way out.Poland has been liberated, I'm back in Blighty.
If you haven't been, you should go, I had a really interesting time there and we in the UK could learn a thing or two from them. I was particularly impressed by their younger generation, they pee all over our youngsters in terms of behaviour, professionalism and good citizenship.
I will have a read of your link. My mind is always open to information even though my conclusions are usually different to yours.
An open mind should not result in an empty head at the end of the process, or people with start to think you are a member of the Aristocracy.