Trump expects his appointees to execute on those objectives
Pompeo has done a very good job of implementing Trump's agenda and getting the CIA under control
Tillerson is in a much tougher position because Trump and his family members wish to run foreign policy from the White House and Tillerson has not shown as much enthusiasm for showing State Dept moles the door.
Tillerson has a Trump size ego and is accustomed to being the CEO.
After being CEO of huge petrochemical company, Tillerson may be having trouble subordinating himself to a new boss.
Yes, I think those are all valid and highly probable points as well.