To what extent is Thoreau’s notion of civil disobedience workable or practical?

To what extent is Thoreau’s notion of civil disobedience workable or practical? Can we constitute a society where people obey their conscience before the law? Make sure to consider Thoreau’s idea of conscience. https://blogs.law.columbia.edu/uprising1313/files/2017/10/Civil-Disobedience-by-Henry-David-Thoreau.pdf