These restraints were overturned in the cultural revolution, which is popularly associated with the 1960s but had its roots much earlier, with the rise of skepticism and liberalism among the Ivy League educated upper classes around the beginning of the last century and the impact of the Frankfurt School refugees in the 1930s on academia and the overall culture. By and large, libertarians are in agreement with the elimination of such laws to their own detriment. In pre-1960s America, there was always the ability to leave an overly puritanical area to a more libertine one. If you didn't like Podunk, there was always a New Orleans, a San Francisco, or a Bohemian district in New York or Chicago. A decentralized society is more conducive to libertarian ideals than a centralixed one.
By and large, libertarians are in agreement with the elimination of such laws to their own detriment.
A decentralized society is more conducive to libertarian ideals than a centralixed one.
In the past, some states had anti miscegenation laws. Now, .gov marriage has 'allowed' gay 'marriage'. Group 'marriage' is just around the corner.