Why do Cons claim to be for an unrestricted free-market but then complain about outsourcing?

In a pure and unrestricted free-market, the best employee willing to work for the lowest compensation wins. Cons claim to be for pure and unrestricted free-market, then why do they constantly complain about corporations outsourcing jobs? If a foreign radiologist is willing to give their medical diagnosis of an image for less than an American radiologist, a foreign engineer willing to design a product for less than an American engineer, or even foreign laborers willing to work for less than American laborers, why should we interfere and place high taxes on these corporations? Isn't that restricting the potential of the free-market?