There are some activities that it makes more sense to have a human involved (i.e. human counselors).

I'm not sure I'd say machines are incapable of learning. The article below sheds some light on this.

http://bruegel.org/2017/04/machines-that-learn-to-do-and-do-to-learn-what-is-artificial-intelligence/

The research is based off of the suggestions of Alan Turing - from whom the Imitation Game movie came into being.