“The president, if he has any personnel announcements — you’ll be the first to know,” McEnany said, without answering the question
Well yes, when Trump fires someone, he does it on Twitter and the person reads it there.
Remember the Comey firing? IIRC Comey was giving a presentation to the FBI office in another state and saw the notice of his sacking on the TV screen behind him... and thought it was a funny hoax by his team.