This was written by an admitted Libertarian, clearly not someone who would EVER support a Republican candidate of any kind. If Cruz or Rubio were leading the pack, then the phony nonsense would be aimed at them.
Have you read their site? Don’t think they are anti Cruz by any means. They don’t like his tax plan, but otherwise seem to be on board with him.
http://www.unitedliberty.org/articles/19453-cruz-wins-iowa-but-what-s-next