"Good intentions will always be pleaded for every assumption of authority. It is hardly too strong to say that the Constitution was made to guard the people against the dangers of good intentions. There are men in all ages who mean to govern well, but they mean to govern. They promise to be good masters, but they mean to be masters." -- Daniel Webster
Libertarians are willing to fight the prohibitionists that have "good intentions".
Libertarians are willing to fight government agencies imposing the 1000th cumulative "good intention" regulation or fee (we've all heard it before - "it will only take five minutes to fill out the form - or it will only add $5 to the cost of doing each business transaction".)