Responding maybe not, but accepting them as connections is. Sometimes recruiters will try to call someone in your network and you are stepping stone. Just like

Responding maybe not, but accepting them as connections is. Sometimes recruiters will try to call someone in your network and you are stepping stone. Just like guy in article mentioned when you will have some degree of connection people will accept your connection. Bad part is when person attacked by recruiter/business hunter gets mad at you because you were supposed to be connected with this guy.