[th0waway]

we should be worried because we are humans - every human endeavor will, at some point, turn bad. It's human nature. Nationalism is good, to point. So are many other things. Blind nationalism with no empathy for anyone other than your own countrymen can be (but not necessarily is) bad.

If you think there is any form of human institution than cannot be subverted to evil acts, you are uninformed.