Rand Paul's version of Libertarianism includes gutting the Civil Rights Act. Many other "libertarians" use this philosophy to justify bigotry against people of color, gay people and immigrants as being party of their "liberty" and "freedom".
It's a catchall philosophy that can be perverted very easily.
No fair, this post is a winner on any "Lib Knee-jerk Objections to Ideas They Didn't Think Of" Bingo card ever printed. Don't spoil the game, Karl.