Many libertarians are basically conservatives who are either gay or druggies or people who generally find the conservative moral agenda too restrictive.

In reference to other discussions here, and the departure of the forgotten but not gone Elijah Lineberry, perhaps others could flesh out Objectivism's view on the moral being the practical.

Here's a  column  by William F. Buckley, Jr.

"Humour is the denial of metaphysical importance to that which you laugh at.