"The real boneheads are the libertarians"

This quote by Peter Brimelow is a criticism of the libertarian ideology. He is implying that those who subscribe to libertarianism are foolish and misguided. He is likely referring to the libertarian belief in minimal government intervention and the idea that individuals should be free to pursue their own interests without interference from the state. Brimelow is likely criticizing the libertarian belief that government should not be involved in the economy or in social issues, and that individuals should be free to make their own decisions without government interference. He is suggesting that this is a naive and unrealistic view of the world, and that government intervention is often necessary to ensure the well-being of society.