There is no question that former Secretary of State Rex Tillerson was a voice of moderation in Trumpworld. For this he was fired. Mark Perry in The American Conservative magazine lays out the politics of the dismissal.
"Donald Trump’s firing of Secretary of State Rex Tillerson on Tuesday was welcomed in many quarters of official Washington as a kind of deliverance—or evidence, perhaps, of justice served. The crowing could be heard all the way to the pages of theThe Atlantic, whose contributors have made Tillerson a kind of Foggy Bottom piñata. It would be hard, for instance, to find a more damning criticism of “T-Rex” than the one leveled against him by author Eliot Cohen, expert on everything military and drum major for the interventionist set...."