Of course, most people don't want automate accepting new contacts without checking the person before,
except those famouse enough to get 100 new connexion request per day...
To get Smart, LinkedIn must Open new API and create new Triggers like the one to auto-accept, auto-answer, and automate the contact information data copy to any place (Google contact ? Mailchimp list ?) Whatever you want, with Flow, Zapier or Workato, or IFTTT...