A brilliant, if I may say so, analysis of liberty and self-determination in a libertarian society. Consent is the key, and withdrawn consent can be discouraged only by civil litigation for damages, not through aggression.
Are there problems with a libertarian society? Sure. There is no perfect society. Libertarian ideas, however, overwhelmingly point the way to a better society these days - we just have too much government, and it is growing to overtake functions that belong with the private citizen.