Galatians 6
6 Let him that is taught in the word communicate unto him that teacheth in all good things.
7 Be not deceived; God is not mocked: for whatsoever a man soweth, that shall he also reap.
I don't think God would be upset toward that poster regarding the libertarian cult. If anything, the guy was defending ethics which are based on some of the Ten Commandments given to Moses through God.