West:
I can say "This is stupid, the administration are idiots and this course of action must not be taken". I can also say "This action is not a good direction to take"...
Where I JCS which do you think I'd say to protect my future? Which do you think I'd say if I were several layers down the totem pole with less reliance and investment in the system?
No "evidence" is needed. The guarded phraseology says it all...