Because the information in the article is not valid, not correct.
If socialism is the answer, why do so many socialists choose to live here, or immigrate here, for that matter. Socialism did not make America what it is. And, I trust and hope, that mainstream Americans will never be tempted for the repeatedly failed socialist experiments.
But it is futile to argue with a socialist. If one was capable of rational thought and reason, they wouldn't have been a socialist in the first place.