Scarrimucci is not doing his job of selling Trump's record which is what you want. He is creating more attention for himself and causing more problems for Steve Bannon and Priebus who are trying to advise the President. How does Scarrimicci know that Priebus was leaking or whether Trump asked him to leak like some of Trump's people have said. Notice that in his interview  Scarimucci made two leaks which he said the President told him not to say anything about. In one case as a reporter was talking about who the leaker might be, Scarimucci says how about I tell you it was the President.