Right-libertarians are all sociopaths. No exceptions.

(It's taken me decades to settle on this opinion—I dislike generalizing about groups of people—but there's nothing tentative about it any more.)

@cstross "So what was your parents' total bill for raising you, with interest and adjusted for inflation, and how long did it take you to pay it off?"

Then again it does explain why so many libertarians are spherical. And frictionless.