Eventually they screw up and get exiled.
Other than that I guess it could be a form of envy, since Libertarians never have (or will ever) lost by a close margin. They're 1%ers at best.
Peace, I even question whether they are Libertarians. IMO, this particular guy seems to be a leftist disguised as a Libertarian. Most Libertarians are much more idealistic or practical than this dumb dude. He's better known as a trouble maker disruptor, IMO.