Reflecting on Chesterton's view of the Prussians, I conclude that this is precisely what worries me about progressives. Their faults are endurable. Corruption, hypocrisy, deceitfulness - these make for bad government, but conservatives and moderates do many if not all of the same things. I can insist till I am blue in the face that we do it far less often, but really, this is a matter of degree.
What worries me about liberals are their virtues, the things they believe are good about themselves and want remake society around. The danger's of John Lennon's "Imagine" are far greater than the dangers of The Who's "Won't Get Fooled Again."