Raises the question, how long will it be until a member (or several) of the US military begins so square his activites giving illegals safe passage, undermining minutemen, etc, with his oath to uphold the Constitution, and see his orders as illegal orders, and refuse to further assist the illegals? I can't imagine our men and women in uniform would put up with being used in this manner, to subvert US immigration laws, for an indefinite period of time.
I think you read too much into this.
Putting the military on the border means in the same vein as our Border agents... Few, and very far between.
In politics, perception is 100%. All that needs to be done is for our leaders to appear and give the perception that "something is done," for that "something must be done" populace.